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UAL2441, BOS to SFO, departing 6:26 AM EST, Dec 18

Map of continental US with illustrated flight path and turbulence forecast (described in text below)

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(Forecast data last collected at 9:00 AM EST on Dec 18, 2025.)

  1. Takeoff from BOS at 6:26 AM EST, Dec 18.
  2. 6:27 AM EST: Calm skies for the next 2 hours and 36 minutes.
  3. 9:03 AM EST: Moderate turbulence likely for the next 2 minutes.
  4. 9:05 AM EST: Light turbulence likely for the next 10 minutes.
  5. 9:15 AM EST: Moderate turbulence likely for the next 8 minutes.
  6. 9:23 AM EST: Light turbulence likely for the next 1 hour and 37 minutes.
  7. 11:00 AM EST: Moderate turbulence likely for the next 1 minute.
  8. 11:01 AM EST: Light turbulence likely for the next 2 minutes.
  9. 11:03 AM EST: Moderate turbulence likely for the next 11 minutes.
  10. 11:14 AM EST: Light turbulence likely for the next 4 minutes.
  11. 11:18 AM EST: Moderate turbulence likely for the next 7 minutes.
  12. 11:25 AM EST: Light turbulence likely for the next 4 minutes.
  13. 11:29 AM EST: Moderate turbulence likely for the next 3 minutes.
  14. 11:32 AM EST: Light turbulence likely for the next 1 hour and 8 minutes.
  15. 12:40 PM EST: Calm skies for the rest of the flight.
  16. Landing at SFO at 12:45 PM EST.

Turbulence can be scary, but it poses no danger to your flight. See the FAQ for more information, including links to other resources for nervous fliers.

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