Flights Cancelled Throughout Canada As Montreal, Calgary, London, Toronto, And More Cancel 56 And Delay 391 Flights, Disrupting Air Canada, WestJet, Air Transat, And Others

Written By: Ryan Rashid

Ryan Rashid

Ryan Rashid writes news that people actually find and finish reading. Ryan has a knack for turning jargon-heavy updates into engaging journalism anyone can follow in under a minute. An English graduate from Calcutta University, he pairs sharp writing instincts with a solid grip on what makes a story travel online. He keeps a close eye on what's trending and what's about to, so stories land while they still matter. Underneath the fast pace, there's always solid research and clean editing holding it together.

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July 9, 2026 5:26 AM

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Flight cancellations remained widespread throughout Canada as the country experienced another challenging day after 391 delays and 56 cancellations were recorded across Toronto Pearson, Montreal-Trudeau, Calgary, Toronto City Centre, Halifax, Edmonton, Montreal Metropolitan, and London. Jazz (Air Canada Express), Air Canada, Porter Airlines, WestJet, Air Transat, and Air Canada Rouge were among the airlines facing the highest levels of disruption, while carriers including United, Delta Air Lines, Endeavor Air, Cathay Pacific, and WestJet Encore also reported delayed or cancelled flights.

• Toronto Pearson reported the highest number of disruptions with 166 delays and 26 cancellations.
• Montreal-Trudeau experienced 93 delays and 11 cancellations, making it the second most affected airport.
• Jazz (Air Canada Express), Air Canada and Porter Airlines recorded the highest number of disrupted flights among carriers.
• Calgary, Toronto City Centre, Edmonton, Halifax, Montreal Metropolitan and London also reported operational disruptions.
• WestJet, Air Transat, Air Canada Rouge, United and several regional airlines were also affected.

Most Affected Canadian Airports Today

Toronto Pearson

Toronto Pearson recorded the highest level of disruption in Canada today, July 9, with 166 delays and 26 cancellations. Jazz (Air Canada Express), Air Canada, Porter Airlines and Air Canada Rouge accounted for most of the disrupted flights, while WestJet, United, Air Transat, Endeavor Air and Cathay Pacific also experienced delays.

Montreal-Trudeau

Montreal-Trudeau reported 93 delays and 11 cancellations. Air Canada and Jazz (Air Canada Express) experienced the largest number of disruptions, with additional delays affecting Air Transat, WestJet, Porter Airlines, Delta Air Lines, Endeavor Air and Air Inuit.

Calgary

Calgary recorded 44 delays and 2 cancellations. WestJet and WestJet Encore handled the majority of delayed flights, while Air Canada, Jazz (Air Canada Express) and Porter Airlines also experienced operational disruptions.

Edmonton

Edmonton recorded 22 delays and 4 cancellations. WestJet led the delayed flights, followed by Air Canada, Porter Airlines, Jazz (Air Canada Express) and Air Canada Rouge.

London

London reported 4 delays and 3 cancellations, with all disruptions involving Jazz (Air Canada Express).

Airlines Disrupted by Canada Flight Cancellations

Jazz (Air Canada Express)

Jazz was the most affected carrier overall, recording 77 delays and 24 cancellations across multiple Canadian airports, particularly Toronto Pearson and Montreal-Trudeau.

Air Canada

Air Canada experienced 73 delays and 12 cancellations, with the largest concentration of disruptions occurring at Toronto Pearson and Montreal-Trudeau.

Porter Airlines

Porter Airlines recorded 63 delays and 13 cancellations, with particularly heavy disruption at Toronto City Centre and Montreal Metropolitan.

WestJet

WestJet reported 39 delays, mainly at Calgary, Edmonton, Toronto Pearson and Montreal-Trudeau, although it avoided cancellations at most locations.

How Early Should You Reach the Airport During Major Disruptions?

When flight disruptions are widespread, it’s usually a good idea to allow yourself a little extra time before heading to the airport. Longer check-in lines, additional security queues and last-minute gate changes can all slow down the travel experience. Keeping an eye on your airline’s notifications before leaving home can help you avoid unnecessary stress and prepare for any unexpected changes.

Why Airline Schedules Don’t Immediately Return to Normal

A delayed flight doesn’t just affect one departure—it can influence every trip that aircraft is scheduled to operate afterward. Airlines often need to reposition aircraft, adjust crew schedules and find available airport gates, all while keeping thousands of passengers moving. Even after weather improves or an operational issue is resolved, it can take several hours for flight schedules to gradually return to normal.

What Can Affected Passengers Do?

• Check your airline’s latest flight status before leaving for the airport.
• Allow extra travel time when flying through busy airports such as Toronto Pearson or Montreal-Trudeau.
• Keep notifications enabled in your airline’s mobile app for gate or schedule changes.
• If your flight is cancelled, speak with your airline as early as possible about rebooking options.
• Keep essential medications, chargers and travel documents in your carry-on bag.
• Review your passenger rights and any available compensation or accommodation offered by your airline.
• If travelling through airports experiencing disruptions, remain flexible and monitor updates throughout the day.

Learn More

Why Flights Are Being Cancelled And Delayed In Canada?

Flight disruptions rarely come down to a single issue. A busy travel schedule, aircraft arriving behind schedule, crew rotation challenges, maintenance requirements and air traffic congestion all create a domino effect throughout the day. Add changing weather conditions into the mix, and even a small delay can quickly ripple across multiple flights. As airports and airlines work to keep passengers moving safely, these operational hurdles sometimes build into longer queues, revised departure times and occasional cancellations.

Overview of Flight Cancellations And Delays Today

Canada’s aviation network experienced widespread disruptions as airports in Toronto, Montreal, Calgary, Edmonton, Halifax and London dealt with delayed and cancelled flights. Toronto remained the busiest area for disruptions, with both Toronto Pearson and Toronto City Centre reporting significant operational impacts, while Montreal also experienced heavy delays across its major airports. Among airlines, Jazz (Air Canada Express), Air Canada, Porter Airlines, WestJet, Air Transat and Air Canada Rouge recorded the largest number of disrupted flights. Author’s Note: Flight information has been compiled from FlightAware and may change as airlines update their schedules. Travelers should check real-time flight status and stay flexible with their travel plans.
Other carriers, including United, Delta Air Lines, Endeavor Air, Cathay Pacific, PAL Airlines, BermudAir, Air Inuit, Air Liaison and Pascan Aviation, also experienced delays or cancellations as airlines worked to restore normal operations and keep passengers on the move.

Source: Different airports and FlightAware