Direct flights from Houston to Washington
43 nonstop flights a week on 1 airline. Zero layovers — one hop from IAH to IAD.
Flight time: about 2h39m 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 |
|---|---|---|---|
| United UAL1549 | 7:32a | 2h30m | Mon, Thu, Fri, Sat, Sun |
| United UAL1549 | 7:39a | 2h39m | Wed |
| United UAL1549 | 7:45a | 2h41m | Tue |
| United UCA3262 | 9:34a | 2h26m | Wed |
| United UAL2366 | 12:34p | 2h43m | Mon, Tue, Fri, Sun |
| United UAL2366 | 12:38p | 2h40m | Wed, Sat |
| United UAL2366 | 12:51p | 2h28m | Thu |
| United UAL1178 | 3:04p | 2h34m | Sat–Sun |
| United UAL1178 | 3:05p | 2h39m | Tue, Wed, Fri |
| United UAL1178 | 3:48p | 2h44m | Mon |
| United UAL1178 | 4:37p | 2h31m | Thu |
| United UAL2388 | 5:10p | 2h46m | Mon, Tue, Sun |
| United UAL2388 | 5:16p | 2h41m | Fri–Sat |
| United UAL2388 | 5:42p | 2h46m | Wed |
| United UAL2388 | 5:55p | 2h29m | Thu |
| United UAL1373 | 6:34p | 2h38m | Tue |
| United UAL1373 | 6:38p | 2h41m | Mon, Sat |
| United UAL1373 | 6:45p | 2h31m | Wed |
| United UAL1373 | 7:00p | 2h36m | Fri |
| United UAL1373 | 7:12p | 2h48m | Thu |
| United UAL1373 | 8:00p | 2h37m | Sun |
| United UAL1968 | 8:30p | 2h46m | Wed |
| United UAL1968 | 8:36p | 2h44m | Tue, Sat |
| United UAL1968 | 8:48p | 2h39m | Mon, Fri |
| United UAL1968 | 9:20p | 2h49m | Thu, Sun |
United
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The route
One hop: IAH → IADDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Houston (IAH) to Washington (IAD)
George Bush Intercontinental Airport (IAH) has 43 nonstop flights a week to Washington (IAD), operated by 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 (IAD) takes about 2h39m in the air, based on recently observed nonstop departures.