Why it's trending
The sudden and unexplained suspension of US customs at a major Canadian airport caused widespread confusion, flight disruptions, and passenger frustration, prompting many to search for 'aéroport' to get updates on the situation.
On July 29, 2026, US Customs and Border Protection (USCBP) abruptly suspended operations at Montreal-Trudeau airport due to strong odors from interior painting, according to Aéroports de Montréal (ADM). The disruption triggered a chaotic morning, with several US-bound flights canceled and many others delayed by hours.
Radio-Canada reported that after ventilation and inspection, USCBP decided to resume activities gradually, but warned of continued delays. Passengers described waiting 1.5 to 2.5 hours only to be redirected to the main hall without clear explanations. One traveler mentioned an airport employee felt unwell, requiring emergency services, though the cause remains unclear.
The timeline: early morning suspension, followed by a gradual resumption around midday. By the time of publication, some flights had been canceled and others were significantly delayed. ADM recommended travelers verify their flight status before heading to the airport.
The incident highlights how routine maintenance can cascade into major travel disruptions, affecting hundreds of passengers. As operations normalize, authorities may review protocols for communicating during such events to reduce confusion.
Timeline
- US customs suspend operations at Montreal-Trudeau
US Customs and Border Protection temporarily halts activities due to paint fumes from interior work, according to ADM. Flights to the US are affected.
- Operations gradually resume
After aeration and inspection, USCBP resumes operations. Delays continue, and some flights remain canceled, as reported by Radio-Canada.
Questions people ask
Why did US customs suspend operations at Montreal-Trudeau?
Due to odors from interior painting work, according to Aéroports de Montréal (ADM). The area was ventilated and inspected before resumption.
How long were US customs suspended?
The suspension lasted several hours on the morning of July 29, 2026. Services gradually resumed by late morning, but delays persisted, per Radio-Canada.
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