Published on
August 14, 2025
By: Rana Pratap

Around 230 flights have been cancelled and delayed due to severe weather conditions affecting key airlines like Porter Airlines, WestJet, and Air Canada. Storms and high winds have caused major disruptions across the US, Canada, UK, Mexico, and beyond, impacting popular routes such as Toronto to Newark, Montreal to London, and Vancouver to Cancun.
Severe weather, including storms and high winds, has caused significant disruptions across the US, Canada, UK, Mexico, and beyond, leading to 28 cancellations and 208 delays out of 230 total affected flights. Porter Airlines reported 8 cancellations (3%) and 36 delays (13%), affecting routes such as Toronto to Newark and Montreal to Ottawa. WestJet experienced 14 cancellations (2%) and 70 delays (13%), impacting flights between Toronto and Cancun, Montreal and Toronto, and Vancouver and Winnipeg. Air Canada saw 6 cancellations (0%) and 102 delays (16%), with disruptions on routes like Winnipeg to Montreal, London to Halifax, and Edmonton to Vancouver. Passengers traveling on key routes like Toronto to Newark, Montreal to London, and Vancouver to Cancun are among those experiencing the most severe travel chaos.
Affected Airlines and Routes
Several major airlines have been heavily affected, including Porter Airlines, WestJet, and Air Canada, with widespread cancellations across popular routes.
Porter Airlines has canceled 8 flights and delayed 36 flights, especially on routes between Newark Liberty International (KEWR) and Toronto City Centre (CYTZ), and Montreal to Newark. Passengers traveling between Toronto, Ottawa, and Montreal are facing the brunt of these disruptions.
WestJet also saw severe cancellations, with 14 flights canceled and 70 flights delayed, particularly on flights between Montreal and Toronto, Vancouver and Winnipeg, and from Toronto to Cancun. These cancellations stretch beyond domestic routes, with international disruptions affecting destinations like Las Vegas and Jardines del Rey in Cuba.
Air Canada has grounded 6 flights and delayed 102 flights as well, including international routes from London Heathrow to Halifax, and domestic flights from Winnipeg to Montreal and Vancouver to Edmonton.
Routes Affected
- Porter Airlines:
- POE2126: Newark Liberty International (KEWR) to Toronto City Centre (CYTZ)
- POE2221: Toronto City Centre (CYTZ) to Ottawa Macdonald-Cartier International (CYOW)
- POE2405: Montreal-Trudeau (CYUL) to Newark Liberty International (KEWR)
- POE2135: Toronto City Centre (CYTZ) to Newark Liberty International (KEWR)
- POE2134: Newark Liberty International (KEWR) to Toronto City Centre (CYTZ)
- POE2406: Newark Liberty International (KEWR) to Montreal-Trudeau (CYUL)
- POE2141: Toronto City Centre (CYTZ) to Newark Liberty International (KEWR)
- POE2144: Newark Liberty International (KEWR) to Toronto City Centre (CYTZ)
- WestJet:
- WJA374: Toronto Pearson International (CYYZ) to Ottawa Macdonald-Cartier International (CYOW)
- WJA579: Montreal-Trudeau (CYUL) to Toronto Pearson International (CYYZ)
- WJA2940: Montreal-Trudeau (CYUL) to Vilo Acuna (CYO/MUCL)
- WJA367: Winnipeg International (CYWG) to Vancouver International (CYVR)
- WJA1148: Edmonton International (CYEG) to Chicago O’Hare International (KORD)
- WJA2941: Vilo Acuna (CYO/MUCL) to Montreal-Trudeau (CYUL)
- WJA1788: Vancouver International (CYVR) to Harry Reid International (KLAS)
- WJA2774: Toronto Pearson International (CYYZ) to Cancun International (CUN/MMUN)
- WJA291: Halifax International (CYHZ) to Winnipeg International (CYWG)
- WJA1149: Chicago O’Hare International (KORD) to Edmonton International (CYEG)
- WJA2946: Montreal-Trudeau (CYUL) to Jardines del Rey (CCC/MUCC)
- WJA1799: Harry Reid International (KLAS) to Vancouver International (CYVR)
- WJA2775: Cancun International (CUN/MMUN) to Toronto Pearson International (CYYZ)
- WJA2947: Jardines del Rey (CCC/MUCC) to Montreal-Trudeau (CYUL)
- WJA360: Vancouver International (CYVR) to Winnipeg International (CYWG)
- WJA290: Winnipeg International (CYWG) to Halifax International (CYHZ)
- Air Canada:
- ACA374: Winnipeg International (CYWG) to Montreal-Trudeau (CYUL)
- ACA869: London Heathrow (LHR) to Halifax International (CYHZ)
- ACA1040: Denver International (KDEN) to Toronto Pearson International (CYYZ)
- ACA241: Edmonton International (CYEG) to Vancouver International (CYVR)
- ACA220: Vancouver International (CYVR) to Calgary International (CYYC)
- ACA223: Calgary International (CYYC) to Vancouver International (CYVR)
The Cause of Disruptions
The widespread flight cancellations are primarily due to severe weather conditions, including heavy storms, high winds, and possible snow in some regions. These weather disruptions have led to airport delays, flight diversions, and cancellations, affecting both domestic and international flights.
Global Impact
This travel nightmare is not confined to North America. Flights between Canada and the UK, Mexico, and other international destinations have also been severely disrupted, leaving travelers stranded or rerouted. Popular routes such as Toronto to London, Montreal to Cancun, and Vancouver to Las Vegas have been impacted.
Passengers with upcoming flights are being urged to stay updated with their airlines for any rebooking options or flight status changes. Many airlines are offering waivers for rebooking, allowing passengers to adjust their travel plans without extra charges due to the weather-related disruptions.
What Affected Passengers Should Do
- Check Flight Status Regularly: Always confirm the status of your flight before heading to the airport. Most airlines provide real-time updates through their websites or apps.
- Prepare for Longer Waits: Expect long lines at check-in counters and customer service desks as airlines work to reschedule flights.
- Stay Connected: Follow your airline’s social media channels and sign up for notifications to stay informed about the status of your flight.
- Be Flexible: Due to the widespread cancellations, flights might be overbooked. Passengers are encouraged to be flexible with their travel plans.
Around 230 flights have been canceled and delayed by Porter Airlines, WestJet, and Air Canada due to severe weather, including storms, high winds, and hazardous conditions, disrupting travel across the US, Canada, UK, Mexico, and beyond. Affected routes include Toronto to Newark, Montreal to London, and Vancouver to Cancun.
As severe weather continues to affect air travel, the chaos surrounding 230 flight cancellations serves as a reminder of the unpredictable nature of travel. Passengers should remain patient, stay updated with their airlines, and be ready for possible delays and cancellations.