Bomb threats at airports across Canada cause flight cancellations, delays

Multiple Canadian airports faced bomb threats Thursday morning that grounded flights and caused widespread delays, according to air traffic control manager Nav Canada.

The bomb threats targeted flight traffic control at Ottawa, Montreal, Edmonton, Winnipeg, Calgary and Vancouver, causing temporary ground stops and evacuations early Thursday morning.

On Thursday morning, NAV CANADA was made aware of bomb threats affecting facilities in Ottawa, Montreal, Edmonton, Winnipeg, Calgary and Vancouver, Nav Canada said in a statement posted to X (new window) around 8:30 a.m. ET.

Employees at impacted locations are safe, and a temporary ground stop has been implemented at the affected airports.

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In an update posted at 9:18, Nav Canada said service is gradually resuming.

Following the evacuation of a number of our sites and subsequent threat assessment by authorities, service is gradually resuming at affected sites.

Travellers are advised to check directly with their airline for the latest updates, as delays are expected. We thank airlines and passengers for their patience as we work towards normal operations, the update said.

Ifeoma Okeke-Korieocha

Ifeoma Okeke-Korieocha is the Aviation Correspondent at BusinessDay Media Limited, publishers of BusinessDay Newspapers. She is also the Deputy Editor, BusinessDay Weekender Magazine, the Saturday Weekend edition of BusinessDay. She holds a BSC in Mass Communication from the prestigious University of Nigeria, Nsukka and a Masters degree in Marketing at the University of Lagos. As the lead writer on the aviation desk, Ifeoma is responsible and in charge of the three weekly aviation and travel pages in BusinessDay and BDSunday. She also overseas and edits all pages of BusinessDay Saturday Weekender. She has written various investigative, features and news stories in aviation and business related issues and has been severally nominated for award in the category of Aviation Writer of the Year by the Nigeria Media Nite-Out awards; one of the Nigeria’s most prestigious media awards ceremonies. Ifeoma is a one-time winner of the prestigious Nigeria Media Merit Award under the 'Aviation Writer of the Year' Category. She is the 2025 Eloy Award winner under the Print Media Journalist category. She has undergone several journalism trainings by various prestigious organisations. Ifeoma is also a fellow of the Female Reporters Leadership Fellowship of the Wole Soyinka Centre for Investigative Journalism.