Direct flights from Houston to Washington
64 nonstop flights a week on 2 airlines. Zero layovers — one hop from IAH to DCA.
Flight time: about 2h37m nonstop
Which days does it fly?
When does it fly?
Departure times in Houston local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| American JIA5463 | 6:51a | 2h33m | Sat |
| American JIA5463 | 7:06a | 2h31m | Tue |
| American JIA5463 | 7:19a | 2h28m | Mon, Wed, Thu, Fri |
| United UAL512 | 7:54a | 2h37m | Sun |
| United UAL512 | 7:55a | 2h37m | Mon, Tue, Thu, Fri, Sat |
| United UAL512 | 9:07a | 2h36m | Wed |
| Mesa ASH4031 | 9:51a | 2h44m | Mon |
| Mesa ASH4031 | 9:58a | 2h44m | Tue, Wed, Sun |
| Mesa ASH4031 | 10:10a | 2h44m | Thu |
| American JIA5496 | 10:31a | 2h25m | Wed |
| American JIA5496 | 10:40a | 2h33m | Fri |
| American JIA5496 | 10:49a | 2h32m | Mon, Sun |
| Mesa ASH4031 | 10:59a | 2h44m | Fri |
| American JIA5496 | 11:22a | 2h19m | Thu |
| American JIA5496 | 11:57a | 2h45m | Tue |
| United UAL654 | 12:20p | 2h36m | Wed, Thu, Fri, Sun |
| United UAL654 | 12:29p | 2h39m | Mon |
| United UAL654 | 12:40p | 2h37m | Tue, Sat |
| United UAL625 | 2:23p | 2h44m | Wed |
| United UAL625 | 2:28p | 2h41m | Mon, Tue, Fri, Sun |
| United UAL625 | 2:39p | 2h37m | Thu |
| American JIA5589 | 4:54p | 2h24m | Fri |
| United UAL235 | 5:00p | 2h30m | Sat |
| American JIA5589 | 5:01p | 2h36m | Tue–Wed |
| American JIA5589 | 5:08p | 2h36m | Mon, Sun |
| United UAL235 | 5:10p | 2h37m | Tue, Sun |
| United UAL235 | 5:22p | 2h36m | Mon, Thu |
| American JIA5589 | 5:38p | 2h18m | Thu |
| United UAL1627 | 6:18p | 2h39m | Tue, Thu, Sat, Sun |
| United UAL235 | 6:22p | 2h44m | Wed |
| United UAL1627 | 6:31p | 2h36m | Fri |
| United UAL1627 | 6:38p | 2h40m | Wed |
| United UAL1627 | 6:58p | 2h44m | Mon |
| United UAL235 | 8:00p | 2h31m | Fri |
| United UAL2224 | 8:03p | 2h39m | Mon–Wed |
| United UAL2224 | 8:10p | 2h44m | Fri, Sun |
| United UAL2224 | 9:14p | 2h48m | Thu |
American
UnitedThe route
One hop: IAH → DCADrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Houston (IAH) to Washington (DCA)
George Bush Intercontinental Airport (IAH) has 64 nonstop flights a week to Washington (DCA), operated by American and United. No layovers, no connections — one hop out of IAH and you're there.
This route flies every day of the week, so any travel day works. Route data updated October 2026 from observed departures.
Route data updated October 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from Houston to Washington?
The nonstop flight from Houston (IAH) to Washington (DCA) takes about 2h37m in the air, based on recently observed nonstop departures.