Thousands Of Passengers Disrupted Today In Canada As Montreal, Edmonton, Toronto Pearson, Calgary, Ottawa, and More Cancel 111 and Delay 692 Flights, Including WestJet, Jazz Aviation, Air Canada, Porter, And Other Airlines

Published on December 29, 2025

Thousands Of Passengers Disrupted In Canada Today as 111 cancellations and 692 delays reported in Toronto Pearson Intl(312 delays, 55 cancellations), Edmonton Intl (48 delays, 5 cancellations), Vancouver Intl (102 delays, 10 cancellations), Montreal–Trudeau Intl(106 delays, 18 cancellations), Calgary Intl (73 delays, 6 cancellations), and Ottawa Macdonald–Cartier Intl Airport (51 delays, 17 cancellations).
Among airlines, Air Canada (171 delays, 16 cancellations), Porter Airlines (136 delays, 42 cancellations), WestJet (82 delays, 11 cancellations), Jazz Aviation (60 delays, 23 cancellations), and Air Canada Rouge (47 delays, 1 cancellation) emerged as the most affected carriers. Popular international airlines including British Airways, Delta Air Lines, United Airlines, Lufthansa, and Air India also recorded delays, contributing to broader network strain.

• Updated today: Canada recorded 692 delays and 111 cancellations, totaling 750 disrupted flights nationwide.
• Toronto Pearson was the single most disrupted airport by volume.
• Air Canada and Porter Airlines accounted for the highest combined delays and cancellations.
• Disruptions were delay-heavy, with cancellations remaining comparatively lower.

Most Affected Canadian Airports

Toronto Pearson International Airport

Canada’s busiest hub recorded 312 delays and 55 cancellations, making it the most affected airport today, with heavy concentration among Air Canada, Porter Airlines, and Jazz Aviation operations.

Vancouver International Airport

Vancouver logged 102 delays and 10 cancellations, with WestJet and Air Canada driving the highest delay volumes, alongside notable disruption to long-haul international services.

Montreal–Trudeau International Airport

Montreal reported 106 delays and 18 cancellations, with Porter Airlines and Air Canada responsible for the majority of operational disruption.

Calgary International Airport

Calgary experienced 73 delays and 6 cancellations, largely tied to WestJet’s hub operations, while cancellations remained relatively limited.

Ottawa Macdonald–Cartier International Airport

Ottawa saw 51 delays and 17 cancellations, with Porter Airlines and Air Canada accounting for most impacted services.

Airlines Most Affected by Canada Flight Cancellations and Delays

Air Canada

The flag carrier led all airlines with 171 delays and 16 cancellations, affecting operations across Toronto, Vancouver, Montreal, Calgary, and Ottawa.

Porter Airlines

Porter recorded 136 delays and 42 cancellations, showing high disruption intensity across multiple eastern and central Canadian airports.

WestJet

WestJet logged 82 delays and 11 cancellations, with the majority centered at Calgary and Vancouver.

Jazz Aviation

Jazz Aviation posted 60 delays and 23 cancellations, reflecting widespread regional network disruption.

Air Canada Rouge

Air Canada Rouge reported 47 delays and 1 cancellation, showing high delay concentration despite minimal cancellations.

How Travellers Were Impacted At Major Airports

• Longer-than-expected waiting times at departure gates, with passengers spending extended periods airside as flights were delayed or rescheduled.
• Increased risk of missed connections on multi-leg itineraries, particularly for travellers transiting through major hubs with tightly timed onward flights.
• Congestion at airline customer service counters, as affected passengers sought rebooking assistance, updates, or alternative travel options.
• Rebooking and schedule adjustments becoming necessary, forcing many travellers to revise same-day plans, accommodation arrangements, or ground transport connections.
• Elevated uncertainty for time-sensitive travel plans, including business trips, onward international departures, and pre-booked activities dependent on precise arrival times.

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Overview of Canada Flight Cancellations

Today’s Canada-wide flight disruptions were concentrated at Toronto Pearson International Airport, Vancouver International Airport, Montreal–Trudeau International Airport, Calgary International Airport, and Ottawa Macdonald–Cartier International Airport. Airlines most affected included Air Canada, Porter Airlines, WestJet, Jazz Aviation, Air Canada Rouge, and WestJet Encore, with delays significantly outpacing cancellations. Repeated disruption patterns were evident in Toronto, Vancouver, and Montreal, reinforcing their role as primary pressure points within the national air travel network.

Image Source: AI

Source: Different airports and FlightAware