EVA637: 2 legs

EVA637, SEA to CTP, departing 8:10 PM PDT, Apr 19

Turbulence forecast map for EVA637, SEA to CTP

Report an issue

(Forecast data last collected at 2:00 AM PDT on Apr 20, 2026.)

  1. Takeoff from SEA at 8:10 PM PDT, Apr 19.
  2. 8:11 PM PDT: Light turbulence likely for the next 11 minutes.
  3. 8:22 PM PDT: Calm skies for the next 44 minutes.
  4. 9:06 PM PDT: Light turbulence likely for the next 4 minutes.
  5. 9:10 PM PDT: Calm skies for the next 23 minutes.
  6. 9:33 PM PDT: Light turbulence likely for the next 2 hours and 33 minutes.
  7. 12:06 AM PDT: Calm skies for the next 1 hour and 45 minutes.
  8. 1:51 AM PDT: Light turbulence likely for the next 10 minutes.
  9. 2:01 AM PDT: Calm skies for the next 3 hours and 8 minutes.
  10. 5:09 AM PDT: Light turbulence likely for the next 40 minutes.
  11. 5:49 AM PDT: Moderate turbulence likely for the next 6 minutes.
  12. 5:55 AM PDT: Light turbulence likely for the next 4 minutes.
  13. 5:59 AM PDT: Moderate turbulence likely for the next 1 minute.
  14. 6:00 AM PDT: Light turbulence likely for the next 1 hour and 54 minutes.
  15. 7:54 AM PDT: Calm skies for the rest of the flight.
  16. Landing at CTP at 8:12 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.


EVA637, JFK to SEA: no forecast yet

It's too early to give you a forecast. I don't yet know the flight plan for this leg of EVA637, so I can't give you an accurate forecast right now. Come check again closer to departure time. (Note that sometimes I don't know the flight plan until minutes before boarding!)

Report an issue

📣 To stay informed about updates to BumpySkies, subscribe to the free newsletter:

You can also browse past newsletter issues.

BumpySkies is a free service that depends on your donations to stay online.

If you find this service helpful, please consider supporting BumpySkies on Patreon.

For best results, try it shortly before departure.

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