Latest news, Aug 3, 2026: I've been updating how BumpySkies treats airport elevations, forecasts climb and descent rates, and classifies turbulence intensity, all based on real-world guidance. More about it in the next newsletter. Until then, if anything seems off, please report an issue!

DAL1189, SFO to BOS, departing 10:00 PM PDT, Aug 8

Turbulence forecast map for DAL1189, SFO to BOS

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(Forecast data last collected at 2:00 AM PDT on Aug 9, 2026.)

  1. Takeoff from SFO at 10:00 PM PDT, Aug 8.
  2. 10:01 PM PDT: Calm skies for the next 21 minutes.
  3. 10:22 PM PDT: Light turbulence likely for the next 1 hour and 48 minutes.
  4. 12:10 AM PDT: Calm skies for the next 13 minutes.
  5. 12:23 AM PDT: Light turbulence likely for the next 35 minutes.
  6. 12:58 AM PDT: Calm skies for the next 1 hour and 42 minutes.
  7. 2:40 AM PDT: Light turbulence likely for the next 6 minutes.
  8. 2:46 AM PDT: Calm skies for the rest of the flight.
  9. Landing at BOS at 3:00 AM PDT.

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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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