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Odour Suspends US Customs at Montréal-Trudeau, Cancelling 20 Flights
On July 29, 2026, US Customs at Montréal-Trudeau Airport were suspended due to a strong construction odour. About 20 U.S.-bound flights were cancelled and delays are ongoing.
American Airlines IT Outage Triggers Over 1,100 Delays, 221 Cancellations on July 29
American Airlines’ nationwide IT outage on July 29, 2026, caused over 1,100 flight delays and 221 cancellations. The FAA issued and lifted a ground stop during the disruption.
Odour Forces US Customs Suspension and Flight Cancellations at Montreal Airport
U.S. Customs operations at Montréal-Trudeau Airport were suspended on July 29 due to a strong odour from construction materials, resulting in about 20 flight cancellations. Montreal Fire Department confirmed the odour posed no health risk as customs services gradually resumed.