Latest news, Sep 4, 2026: Ocean-crossing forecasts now apply great-circle math to any long flight segments that have sparse route data, rather than drawing naively Mercator-straight lines. This should improve forecast quality for these flights. Also, I've added Austrian Airlines to the carrier list. 🇦🇹
RPA4777: 2 legs
RPA4777, DCA to CHS, departing 2:08 PM EDT, Sep 5
(Forecast data last collected at 3:00 AM EDT on Sep 5, 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.
- Takeoff from DCA at 2:08 PM EDT, Sep 5.
- 2:09 PM EDT: Calm skies for the next 1 minute.
- 2:10 PM EDT: Light turbulence likely for the next 3 minutes.
- 2:13 PM EDT: Calm skies for the next 14 minutes.
- 2:27 PM EDT: Light turbulence likely for the next 4 minutes.
- 2:31 PM EDT: Moderate turbulence likely for the next 3 minutes.
- 2:34 PM EDT: Light turbulence likely for the next 8 minutes.
- 2:42 PM EDT: Calm skies for the next 47 minutes.
- 3:29 PM EDT: Light turbulence likely until you land.
- Landing at CHS at 3:35 PM EDT.
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.
Forecast window-seat views with First Class
BumpySkies First Class includes cloudiness forecasts, letting you see which parts of your flight will likely involve passing through or over clouds, and how often you'll instead have clear views of the ground below. Like our turbulence forecasts, they can help you manage your expectations of what you'll see and experience during your flight.
Subscribe now for $5/month
Support BumpySkies with a $5 monthly subscription to get both cloudiness forecasts and turbulence forecast notifications. You can learn more about First Class, or subscribe now using your email address, below.
Nelly says: Clouds are sometimes spooky, but they're always safe!
Flying through clouds is routine and safe, even when it feels disorienting to nervous passengers. Learn more about it on our flight safety page.
RPA4777, CHS to DCA, departing 4:31 PM EDT, Sep 5
(Forecast data last collected at 3:00 AM EDT on Sep 5, 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.
- Takeoff from CHS at 4:31 PM EDT, Sep 5.
- 4:32 PM EDT: Light turbulence likely for the next 2 minutes.
- 4:34 PM EDT: Calm skies for the next 42 minutes.
- 5:16 PM EDT: Light turbulence likely for the next 2 minutes.
- 5:18 PM EDT: Calm skies for the next 15 minutes.
- 5:33 PM EDT: Light turbulence likely until you land.
- Landing at DCA at 5:49 PM EDT.
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.
Forecast window-seat views with First Class
BumpySkies First Class includes cloudiness forecasts, letting you see which parts of your flight will likely involve passing through or over clouds, and how often you'll instead have clear views of the ground below. Like our turbulence forecasts, they can help you manage your expectations of what you'll see and experience during your flight.
Subscribe now for $5/month
Support BumpySkies with a $5 monthly subscription to get both cloudiness forecasts and turbulence forecast notifications. You can learn more about First Class, or subscribe now using your email address, below.
Nelly says: Clouds are sometimes spooky, but they're always safe!
Flying through clouds is routine and safe, even when it feels disorienting to nervous passengers. Learn more about it on our flight safety page.
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