UAL643: 3 legs

UAL643, LAS to SFO, departing 6:21 AM PDT, Apr 11

Turbulence forecast map for UAL643, LAS to SFO

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(Forecast data last collected at 2:00 AM PDT on Apr 11, 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 LAS at 6:21 AM PDT, Apr 11.
  2. 6:22 AM PDT: Calm skies for the next 4 minutes.
  3. 6:26 AM PDT: Light turbulence likely for the next 3 minutes.
  4. 6:29 AM PDT: Moderate turbulence likely for the next 1 minute.
  5. 6:30 AM PDT: Light turbulence likely until you land.
  6. Landing at SFO at 7:43 AM PDT.
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.

UAL643, SFO to SNA, departing 11:00 AM PDT, Apr 11

Turbulence forecast map for UAL643, SFO to SNA

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(Forecast data last collected at 2:00 AM PDT on Apr 11, 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 SFO at 11:00 AM PDT, Apr 11.
  2. 11:01 AM PDT: Light turbulence likely for the next 3 minutes.
  3. 11:04 AM PDT: Calm skies for the next 21 minutes.
  4. 11:25 AM PDT: Light turbulence likely for the next 2 minutes.
  5. 11:27 AM PDT: Calm skies for the rest of the flight.
  6. Landing at SNA at 12:13 PM PDT.
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.

UAL643, SNA to IAH, departing 3:42 PM PDT, Apr 11

Turbulence forecast map for UAL643, SNA to IAH

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(Forecast data last collected at 2:00 AM PDT on Apr 11, 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 SNA at 3:42 PM PDT, Apr 11.
  2. 3:43 PM PDT: Calm skies for the next 2 minutes.
  3. 3:45 PM PDT: Light turbulence likely for the next 7 minutes.
  4. 3:52 PM PDT: Calm skies for the next 36 minutes.
  5. 4:28 PM PDT: Light turbulence likely for the next 36 minutes.
  6. 5:04 PM PDT: Moderate turbulence likely for the next 2 minutes.
  7. 5:06 PM PDT: Light turbulence likely for the next 5 minutes.
  8. 5:11 PM PDT: Moderate turbulence likely for the next 1 minute.
  9. 5:12 PM PDT: Light turbulence likely for the next 12 minutes.
  10. 5:24 PM PDT: Moderate turbulence likely for the next 8 minutes.
  11. 5:32 PM PDT: Light turbulence likely for the next 33 minutes.
  12. 6:05 PM PDT: Calm skies for the next 11 minutes.
  13. 6:16 PM PDT: Light turbulence likely until you land.
  14. Landing at IAH at 6:36 PM PDT.
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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