WestJet Faces Operational Challenges 16 Aircraft Grounded in Calgary After Severe Hailstorm

Post Published October 7, 2024

See how everyone can now afford to fly Business Class and book 5 Star Hotels with Mighty Travels Premium! Get started for free.


WestJet Faces Operational Challenges 16 Aircraft Grounded in Calgary After Severe Hailstorm - Hailstorm impact on WestJet's fleet in Calgary





A severe hailstorm that swept through Calgary earlier this month has left a significant mark on WestJet's operations, forcing the airline to ground 16 of its planes. This represents a substantial portion of WestJet's fleet, roughly 10%, causing considerable disruption to their service. The damage to these aircraft, incurred during the storm's onslaught, necessitates extensive repairs and inspections, taking aircraft out of rotation. The immediate consequence was a wave of flight cancellations, totaling over 190 over just a few days, demonstrating the scale of the disruption.

WestJet acknowledges the strain on its operations and has indicated that more cancellations are likely while the grounded aircraft are being fixed. Passengers are strongly encouraged to monitor the status of their bookings before heading to the airport. It seems that this severe weather has exposed the airline's reliance on its fleet and its ability to respond to unexpected events. The ongoing repairs are a reminder that airlines are susceptible to weather-related issues, with consequences ranging from delayed flights to cancellations, creating challenges for both the airline and the traveler.

A severe hailstorm that struck Calgary on August 5th, 2024, resulted in a significant setback for WestJet, grounding 16 aircraft from their fleet. This represents about 10% of their total operational aircraft, a sizable chunk of their overall capacity. WestJet has stated the affected aircraft require extensive inspections and repairs before they can resume flying, leading to substantial disruption in their operations.

The incident caused a cascade of flight cancellations, with 106 cancellations on August 7th alone and a further 84 on August 8th. These figures highlight the immediate impact of the hailstorm on WestJet's schedule. Further cancellations are anticipated as the airline attempts to adjust its network to compensate for the lost capacity from the grounded planes. This situation likely forces them to carefully evaluate their network's operational effectiveness and resilience, pushing them to re-think about how to maintain service levels with reduced capacity.

WestJet's operational hub in Calgary was significantly impacted by this incident. The assessment suggests that specialized tools and materials are needed to fix the damage, further compounding the complexities of the repair process. The airline has advised passengers to check flight status before travelling due to the likelihood of ongoing cancellations, underscoring the unpredictable nature of their operations during this time. WestJet's focus has been on keeping their customers informed as they navigate this challenging period.

The incident also raises questions about the design and structural integrity of the aircraft and its capability to withstand severe weather. It seems evident that the engineering of aircraft needs to anticipate these severe events with a higher priority. Perhaps certain areas of aircraft construction could benefit from materials more robust in dealing with high-impact events, offering a degree of protection for more costly repairs in the future. This incident also suggests a need for enhanced weather forecasting capabilities within airports for improved warning systems for such extreme events. The operational disruption from hail damage serves as a stark reminder of the unpredictable nature of weather and the importance of resilience in the airline industry.


What else is in this post?

  1. WestJet Faces Operational Challenges 16 Aircraft Grounded in Calgary After Severe Hailstorm - Hailstorm impact on WestJet's fleet in Calgary
  2. WestJet Faces Operational Challenges 16 Aircraft Grounded in Calgary After Severe Hailstorm - Flight cancellations and network capacity reduction
  3. WestJet Faces Operational Challenges 16 Aircraft Grounded in Calgary After Severe Hailstorm - Repair process and sourcing of specialized equipment
  4. WestJet Faces Operational Challenges 16 Aircraft Grounded in Calgary After Severe Hailstorm - Partnership with Canadian North for additional flights
  5. WestJet Faces Operational Challenges 16 Aircraft Grounded in Calgary After Severe Hailstorm - Ongoing assessment of aircraft damage
  6. WestJet Faces Operational Challenges 16 Aircraft Grounded in Calgary After Severe Hailstorm - Expected timeline for return to full operations

WestJet Faces Operational Challenges 16 Aircraft Grounded in Calgary After Severe Hailstorm - Flight cancellations and network capacity reduction





WestJet Faces Operational Challenges 16 Aircraft Grounded in Calgary After Severe Hailstorm

The severe hailstorm in Calgary earlier this year caused substantial damage to WestJet's fleet, grounding 16 aircraft, primarily Boeing 737s, for repairs. This unexpected event has significantly reduced WestJet's operational capacity, with nearly 10% of their fleet out of service. The immediate consequence was a surge in flight cancellations, exceeding 80 on some days and averaging around 50 daily throughout the month of August, emphasizing the vulnerability of airline schedules to extreme weather.

The reduction in operational aircraft also led to a significant decrease in network capacity, impacting WestJet's ability to fulfill its regular flight schedule. The airline has been proactively canceling flights to manage the situation, acknowledging the challenges of operating with a reduced fleet. Passengers are urged to monitor their flight status frequently as the airline adjusts to this limited capacity, as further cancellations and delays are anticipated until the grounded aircraft are back in operation. The repair process appears complex, suggesting that it could take a while before WestJet returns to its normal operational level, even with a recently resolved labor issue. This entire situation underscores the impact of unforeseen circumstances on airline operations and the importance of having contingency plans for such events.

The cascading effect of flight cancellations, known as operational network disruption, can be significant. Even seemingly small cancellations can trigger a chain reaction of delays and further cancellations across an airline's route network. This can impact thousands of passengers.

Airlines frequently rely on just-in-time scheduling, optimizing aircraft usage. This model offers little room for unforeseen disruptions, like severe weather. In the case of WestJet, the reduced capacity from 16 grounded planes represents approximately 10% of their operational fleet, restricting their ability to adapt to sudden challenges.

The impact of a reduced network capacity, as experienced by WestJet, can translate to a significant financial hit. With roughly a 30,000 revenue passenger mile reduction per grounded aircraft per day, lost revenue and potential profits quickly pile up.

Severe weather events like hailstorms can result in damage beyond the surface. The extensive testing required after repairs adds another layer of complexity to returning aircraft to service, potentially delaying the aircraft for weeks or even months.

The operational pressures on an airline's schedule increase when they are operating near full capacity. For WestJet, the reduced network capacity puts them in a challenging position. Roughly 40% of flight disruptions happen when airlines operate at maximum capacity. Now, even minor challenges can lead to disproportionately high cancellations and delays.

Airports with limited alternatives for rerouting flights are more prone to significant disruptions during localized severe weather. Calgary, being WestJet's primary hub, falls into this category, making it especially susceptible to widespread cancellations in such situations.

Airlines traditionally depend on historical data when predicting and planning flight schedules. Unexpected situations like the severe hailstorm throw these models off. Recovery from these kinds of events becomes much more challenging when forecasting methods are rendered unreliable.

After a wave of flight cancellations, airlines face a major crew scheduling challenge. Strict regulations on crew duty times force complex and time-consuming reassignments. The re-allocation of flight crews can take several days, prolonging the operational difficulties faced by the airline.

Passengers should keep in mind that federal regulations often permit airlines to change flight schedules without compensation when severe disruptions happen. While passengers experience considerable inconvenience, airlines can often make changes without having to provide refunds or other accommodations.

Flight cancellations can be costly. An estimated cost of $400 to $600 per disrupted passenger is a significant amount and doesn't account for the longer-term consequences of passengers' experiences on brand image and customer loyalty. This highlights the importance of operational resilience for the financial wellbeing of an airline.



WestJet Faces Operational Challenges 16 Aircraft Grounded in Calgary After Severe Hailstorm - Repair process and sourcing of specialized equipment





Repairing the hail-damaged WestJet aircraft requires a complex process, especially in terms of finding and obtaining the specific equipment needed. After the storm, WestJet faces the challenge of not only repairing the physical damage but also procuring the necessary tools and parts. This situation emphasizes the importance of these specialized resources for a swift return to service, as delays in procuring them can keep planes grounded for extended periods. The ongoing inspections and repairs highlight the unpredictable nature of airline operations when extreme weather strikes, revealing the reliance on specialized infrastructure to get back to regular service. WestJet's ability to navigate this repair process efficiently will be a key factor in limiting any further disruptions to their schedule.




Repairing aircraft damaged by hail, like the WestJet fleet in Calgary, is a complex undertaking that goes beyond simply replacing dented panels. Securing specialized tools and parts often proves challenging, especially given the urgency of the situation. Local maintenance facilities might not always have the exact tools needed, and variations in aircraft manufacturers' parts can further complicate the process if the equipment isn't readily available.

The repair process often entails meticulous inspections utilizing non-destructive testing methods. Techniques like ultrasonic testing allow engineers to analyze structural damage without weakening the aircraft further. It provides a deeper understanding of the extent of damage hidden beneath the surface.

Repair timelines can stretch out considerably if custom parts are required. Hail damage to critical components like windshields or wing surfaces can create delays if manufacturers are backlogged, stretching out repair schedules even longer. The challenge is amplified because airlines need to find parts to match their specific aircraft models.

When severe weather impacts a fleet, airlines might need to negotiate rushed shipping for replacement parts. This is because manufacturers usually have pre-set delivery schedules that don't account for sudden, large-scale damage events. Airlines often have to convince suppliers to prioritize their orders, increasing expenses to meet their operational needs.


The expense of sourcing specialized equipment can be substantial. The costs for expedited shipping or specialized tools can double or even triple compared to the standard price, forcing airlines to carefully weigh the economic implications of such decisions against the potential operational disruptions. This type of decision-making underscores the challenges airlines face when faced with unforeseen circumstances.

Regulatory compliance for aircraft maintenance is extremely strict. Any specialized equipment or part used for repairs must meet strict aviation authority standards, making the repair process even more intricate. These inspections, sometimes taking additional time, add layers of complexity and can lead to extended downtimes for the affected aircraft.

Before an aircraft returns to service, engineers carry out extensive assessments using sophisticated simulations. Techniques like finite element analysis help them understand how the structure will respond under various conditions and ultimately ensure the repaired aircraft meets safety standards. These simulations are vital in predicting how the structure will respond to stress, thus aiming to prevent future damage in similar events.

Beyond the readily visible external damage, hailstorms can also necessitate assessments of internal aircraft systems. Hidden damage to vital systems, caused by the impact, needs to be checked. This requirement adds another level of complexity and inspection time to the entire repair process.

Although predictive maintenance technologies are increasingly common, they are not always perfect in dealing with unpredictable weather changes. Airlines invest in these systems to forecast maintenance needs, hoping to prevent large-scale damage events and reduce repair times. But these systems are based on historic data and might not always adequately handle unforeseen or rapidly changing weather.

Sourcing replacement parts is intrinsically linked to the global supply chain issues impacting the aviation industry. Any major disruption, from natural disasters to global logistical bottlenecks, can impact part availability and delay repairs. This highlights the vulnerability of the airline industry to broader economic challenges.






WestJet Faces Operational Challenges 16 Aircraft Grounded in Calgary After Severe Hailstorm - Partnership with Canadian North for additional flights





WestJet Faces Operational Challenges 16 Aircraft Grounded in Calgary After Severe Hailstorm

Faced with the significant disruption of 16 grounded aircraft after a severe hailstorm, WestJet has teamed up with Canadian North. This partnership provides extra flights to assist passengers whose travel plans have been impacted by the numerous cancellations. This collaboration is a step towards maintaining some level of service while WestJet's maintenance teams work on restoring the damaged planes to operational status. The partnership is meant to address the short-term challenges created by the hailstorm. However, the effectiveness of this temporary solution in the face of WestJet's ongoing reduced operational capacity is yet to be seen. It remains to be seen whether this collaboration can fully alleviate the operational pressure on WestJet during a time when their fleet is considerably smaller. This incident serves as a reminder of the industry's vulnerability to unexpected events and emphasizes the importance of having contingency plans in place to minimize disruption.

WestJet's recent partnership with Canadian North, forged in the wake of the Calgary hailstorm, offers an interesting perspective on airline resilience and adaptability. It's a strategic move that allows WestJet to quickly expand its operational reach, particularly to less-traveled regions. Canadian North's expertise lies in serving remote Canadian communities, opening up new possibilities for travelers looking to reach destinations like Yellowknife or Inuvik.

This collaboration could lead to more frequent flights on specific routes, potentially increasing competition and driving down ticket prices. The potential for a code-share arrangement adds another layer of intrigue, streamlining connections and possibly allowing travelers to earn loyalty points across both airlines. It remains to be seen how these dual-loyalty programs will integrate and if this will benefit consumers.

From a logistical standpoint, the partnership could prove beneficial to WestJet's fleet management. By rerouting planes to high-demand routes served by Canadian North, WestJet can potentially maximize its remaining operational capacity without having to buy new planes or lease them. This type of creative, resource-focused approach might improve efficiency and in turn, potentially impact ticket pricing.

The timing of this partnership seems interesting. The ongoing trend towards domestic travel within Canada, especially to regional areas, could create a positive feedback loop. If both airlines manage to capture a larger share of these travel patterns, consumers might benefit from a larger range of routes at potentially competitive prices.

However, we need to keep in mind that there could be challenges. The integration of operational systems between the two airlines will likely be complex. This could increase the risk of schedule changes and even disruptions, at least initially. While the partnership could potentially streamline processes in the long-term, we'll need to observe the actual integration of the two companies.

The potential success of this joint venture, from a consumer perspective, really hinges on whether it translates to more affordable travel and more routes within Canada. It remains to be seen whether this partnership will meaningfully influence ticket pricing or passenger options and if it will offer truly advantageous outcomes for Canadian travellers. This collaboration represents a fascinating, albeit early-stage, development in Canada's airline landscape. Only time will tell how successful this strategy will be in serving travelers.



WestJet Faces Operational Challenges 16 Aircraft Grounded in Calgary After Severe Hailstorm - Ongoing assessment of aircraft damage





Following the severe hailstorm in Calgary, WestJet is meticulously assessing the damage to their fleet. This ongoing evaluation is crucial to determine the timeline for getting the grounded aircraft back into service. With 16 planes, about 10% of their operational fleet, needing repairs, WestJet faces a complex task. This includes detailed inspections and securing the necessary specialized equipment and parts. Given ongoing supply chain complications, obtaining the right tools and parts could become a bottleneck. The length of time it takes to assess and repair the damage will directly influence the number of ongoing flight cancellations. This disruption creates significant headaches for travelers who rely on WestJet's network. This incident underscores the susceptibility of airlines to unexpected weather challenges and the importance of preparedness and flexibility for dealing with such disruptions. The airline industry, in general, needs to constantly revisit operational resilience and prepare for unexpected setbacks, as weather events like hailstorms highlight the need for better contingency plans and adaptability.

Following the Calgary hailstorm, WestJet's ongoing assessment of aircraft damage involves a complex interplay of technology, inspection methods, and regulatory requirements. Modern planes are equipped with sophisticated structural health monitoring (SHM) systems that provide real-time damage detection, which aids in assessing the severity of damage after the event.

To identify hidden damage, various non-destructive inspection techniques are employed, including eddy current and ultrasonic methods. These help locate damage without causing further structural compromise. The aircraft's skin, frequently made of aluminum alloys, showed a clear vulnerability to hail damage. Ongoing research explores the use of composite materials which could potentially offer greater resistance to hail impacts in the future.

The costs associated with hail damage repairs vary significantly, ranging from hundreds of thousands to millions of dollars. These costs depend on the severity of damage and the intricacy of repairs, which is why WestJet's operational capacity has been affected. Repair timelines can be substantially impacted by the global supply chain for aircraft parts. Delays in procuring vital parts can lead to lengthy downtimes, forcing airlines to strategize and adjust capacity to accommodate the temporary fleet reduction.

Repair procedures are strictly regulated by agencies like the FAA to assure safety and compliance. Each stage of the repair process is thoroughly documented and inspected to meet these standards. Despite advancements in weather forecasting, predicting localized, intense weather events like hailstorms remains a challenge. This creates difficulties for airlines in providing sufficient advanced notice to protect their fleet.

The grounding of a portion of their fleet created several operational efficiencies challenges for WestJet. They might have to alter their routing strategies, possibly leading to extended flights or decreased frequency. These operational changes also cause more difficulties with the strict regulations regarding flight crew work hours, leading to further operational strain on their ability to re-staff planes once repairs are completed.

In the wake of these operational disruptions, airlines frequently form partnerships with other carriers. WestJet and Canadian North, for example, found ways to cover parts of the network, creating new possibilities, and more opportunities for customers. Such partnerships can boost competition but might also lead to complexities with schedules and service uniformity.

This whole situation reminds us of the complexities in aviation operations and the need for constant development, refinement of procedures, and improved forecasting capabilities to be better prepared for events that can have a profound impact on airline service and the travel experience.



WestJet Faces Operational Challenges 16 Aircraft Grounded in Calgary After Severe Hailstorm - Expected timeline for return to full operations





WestJet's path back to full operations following the Calgary hailstorm remains uncertain. The airline faces a significant challenge in getting the 16 grounded aircraft back into service, largely due to the need for specialized parts and equipment. While assessments are ongoing, sourcing these materials can be a slow process, particularly amidst supply chain issues. This extended repair period could result in disruptions for travelers for a considerable time, with ongoing flight cancellations a real possibility until the fleet is fully restored. The event serves as a reminder that airlines, despite their best efforts, remain vulnerable to the unforeseen impacts of extreme weather. The need for airlines to proactively develop robust contingency plans to minimize the impact of such events is increasingly apparent. This incident exposes a need for more forward-thinking and resilience within airline operations to better manage disruptions and keep passenger inconveniences to a minimum.

When an airline like WestJet faces a situation where a substantial portion of its fleet is grounded, as was the case with the Calgary hailstorm, the path back to full operations isn't straightforward. The process of returning to normal operations hinges on several factors that can significantly extend the timeline.

Firstly, the damage assessment alone can take a considerable amount of time. Before any repairs can begin, a thorough assessment of the damage is required, often employing advanced imaging and scanning techniques to ensure structural integrity. This initial stage can considerably delay the aircraft's return to service.

Secondly, the financial burden of repairs is a significant factor. Repairing a single aircraft can be expensive, potentially ranging from hundreds of thousands to over a million dollars, depending on the severity of the hail damage and the parts that need to be replaced. Adding to this, if repairs necessitate sourcing specialized labor or parts on short notice, costs can surge as companies frequently charge a premium for expedited service during emergencies.

Thirdly, the disruption to flight schedules is considerable. The effects of grounding even a relatively small portion, like the 10% of WestJet's fleet affected by the hailstorm, can cause a cascade of flight cancellations throughout the network. Analysts have shown that operational network disruption can lead to flight cancellation rates that are much higher than the actual percentage of grounded aircraft.

Fourth, supply chains play a vital role. When a large number of aircraft require parts, manufacturers might struggle to keep up with demand. Sourcing specialized parts, as is common in the aviation industry, often involves lengthy lead times, and manufacturers might not always prioritize emergency orders. This can lead to extended periods where planes are out of service, adding to the disruption and extending the time it takes to recover.

Fifth, the inspection process itself can contribute to delays. Advanced inspection techniques like ultrasonic testing and eddy current inspections are vital to ensuring the safety of aircraft. These are necessary to check for hidden damage that might not be visible to the naked eye. However, they can lengthen the assessment and inspection periods, impacting the overall repair timeline.

Sixth, weather forecasting presents its own set of challenges. While forecasting technologies have advanced, accurately predicting localized severe weather like the hailstorm that struck Calgary is still challenging. This unpredictable nature makes it difficult for airlines to proactively protect their fleets or swiftly alter flight schedules to minimize losses from damaging weather events.

Seventh, the grounding illustrated how essential operational resilience is for airlines. Airlines often operate with minimal reserves, meaning they don't have a large number of spare planes or personnel to immediately absorb sudden operational shocks. When a major unexpected event happens, airlines have to rely on backup plans, such as partnerships with other airlines, which might not always be fully effective in addressing the loss of capacity.

Eighth, the complications around crew scheduling are not trivial. Airlines have to adhere to strict regulations concerning flight crew duty times, which significantly restricts how and when crew members can be assigned. In the wake of flight cancellations, reassigning crew members can be very complex and add to the airline's difficulties returning to regular flight schedules, extending the recovery time.


Ninth, consumers might experience impacts beyond immediate flight disruptions. When an airline reduces capacity due to grounded planes, it can significantly impact the availability of seats. This can lead to airlines increasing ticket prices on the remaining flights, forcing travelers to pay higher prices for the seats.


Tenth, the complexity of airline operations is, in part, reliant on historical data for predicting operational and scheduling needs. When major disruptions occur, these historical patterns are invalidated. The sudden grounding of aircraft challenges the airlines' ability to accurately predict future operational needs. It highlights that truly unpredictable events can cause major difficulties for complex operations such as airline scheduling.


All of these factors need to be considered when forecasting a timeline for WestJet, or any airline, to return to full operational capacity after a significant grounding event. The complex interaction of factors underscores the difficulty of predicting an exact return to normal operations, making it clear that the recovery from disruptions is a multifaceted process influenced by a variety of factors.


See how everyone can now afford to fly Business Class and book 5 Star Hotels with Mighty Travels Premium! Get started for free.