Latest news, Jul 15, 2026: Announcing BumpySkies First Class, a new subscription tier that lets you financially support this site while enjoying premium features. For starters, you can now have BumpySkies text you when your flight's turbulence forecast is ready! Read all about it in the latest newsletter.

WJA831, YQB to YYC, departing 7:40 PM EDT, Jul 20

Turbulence forecast map for WJA831, YQB to YYC

Report an issue

(Forecast data last collected at 8:00 AM EDT on Jul 20, 2026.)

Preliminary forecast. Check back within an hour or two of takeoff to see the most accurate route map and turbulence forecast for this flight.

  1. Takeoff from YQB at 7:40 PM EDT, Jul 20.
  2. 7:41 PM EDT: Calm skies for the next 1 minute.
  3. 7:42 PM EDT: Light turbulence likely for the next 17 minutes.
  4. 7:59 PM EDT: Calm skies for the next 18 minutes.
  5. 8:17 PM EDT: Light turbulence likely for the next 1 hour and 20 minutes.
  6. 9:37 PM EDT: Calm skies for the next 23 minutes.
  7. 10:00 PM EDT: Light turbulence likely for the next 1 hour and 16 minutes.
  8. 11:16 PM EDT: Moderate turbulence likely for the next 2 minutes.
  9. 11:18 PM EDT: Light turbulence likely for the next 4 minutes.
  10. 11:22 PM EDT: Moderate turbulence likely for the next 7 minutes.
  11. 11:29 PM EDT: Light turbulence likely for the next 2 minutes.
  12. 11:31 PM EDT: Moderate turbulence likely for the next 1 minute.
  13. 11:32 PM EDT: Light turbulence likely for the next 4 minutes.
  14. 11:36 PM EDT: Calm skies for the next 20 minutes.
  15. 11:56 PM EDT: Light turbulence likely for the next 1 minute.
  16. 11:57 PM EDT: Calm skies for the rest of the flight.
  17. Landing at YYC at 12:04 AM EDT.

Get notified about a future WJA831 flight First Class

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.

šŸ“£ To stay informed about updates to BumpySkies, subscribe to the free newsletter:

You can also browse past newsletter issues.

BumpySkies is free, and stays online thanks to its subscribers.

If you find this service helpful, please consider subscribing to BumpySkies First Class. For $5 a month you'll help keep BumpySkies runningā€”and you can set up turbulence-forecast notifications for your own flights.

For best results, try it shortly before departure.

(Or, see a random upcoming flight's forecast.)