See also
https://www.cbc.ca/news/canada/montreal/montreal-airport-flight-delays-9.7421497
Montreal’s Trudeau airport warns all flights to and from U.S. suspended
See also
https://www.cbc.ca/news/canada/montreal/montreal-airport-flight-delays-9.7421497
Montreal’s Trudeau airport warns all flights to and from U.S. suspended
They came out and said it was responsible
Really? I haven’t seen any confirmation that the AI rollout was the reason. Can you provide a link?