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.

SWA4137, IND to PHX, departing 6:29 AM EDT, Jul 20

Turbulence forecast map for SWA4137, IND to PHX

Report an issue

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

  1. Takeoff from IND at 6:29 AM EDT, Jul 20.
  2. 6:30 AM EDT: Calm skies for the next 17 minutes.
  3. 6:47 AM EDT: Light turbulence likely for the next 14 minutes.
  4. 7:01 AM EDT: Calm skies for the next 2 hours and 15 minutes.
  5. 9:16 AM EDT: Light turbulence likely for the next 6 minutes.
  6. 9:22 AM EDT: Calm skies for the rest of the flight.
  7. Landing at PHX at 9:29 AM EDT.

Get notified about a future SWA4137 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.)