Latest news, May 14, 2026: I'm working on a known issue that causes some forecasts to display the right times and origin airports, but the wrong destination. Please use the "Report an issue" button if you see this; every report helps. (And don't worry, your plane is going to the right airport!)

ACA866, YUL to LHR, departing 6:53 PM EDT, May 20

Turbulence forecast map for ACA866, YUL to LHR

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(Forecast data last collected at 6:00 PM EDT on May 20, 2026.)

  1. Takeoff from YUL at 6:53 PM EDT, May 20.
  2. 6:54 PM EDT: Light turbulence likely for the next 18 minutes.
  3. 7:12 PM EDT: Calm skies for the next 17 minutes.
  4. 7:29 PM EDT: Light turbulence likely for the next 25 minutes.
  5. 7:54 PM EDT: Calm skies for the rest of the flight.
  6. Landing at LHR at 1:04 AM EDT.
Nelly

Nelly says: Bumpy skies can be scary, but they're not dangerous!

See our turbulence safety page for more information, including links to other resources for nervous fliers.

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