--- title: "Houston (IAH) to Washington (IAD) flights: who flies it" description: "United Airlines flies Houston (IAH) to Washington (IAD) nonstop about 42 times a week, scheduled at 2h 58m to 3h 11m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/iah-iad" url: "https://2lnr.com/routes/iah-iad.md" date_modified: "2026-10-18T05:10:47Z" --- # Houston to Washington (IAH-IAD): nonstop flights and who flies them United Airlines flies nonstop between Houston (IAH) and Washington (IAD), roughly 42 times a week. The timetable below shows the nonstop scheduled at 2h 58m to 3h 11m for the 1,189 miles. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 23, 2026. See IAH to IAD on the interactive map [Get started free](https://2lnr.com/login) 42 Flights a week, 4-week average 2h 58m to 3h 11m Scheduled flight time 1,189 mi Nonstop distance Free To get started ## Houston to Washington flight schedule Scheduled nonstop departures for IAH to IAD starting October 22, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Houston (IAH) to Washington (IAD) | Date | Flight | Airline | Departs IAH | Arrives IAD | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | UA 1549 | United Airlines | 07:20 | 11:28 | 3h 8m | [Boeing 737-900](https://2lnr.com/seatmaps/ua/737-900.md) | | Thu, Oct 22 | UA 2366 | United Airlines | 12:15 | 16:26 | 3h 11m | Boeing 737-900 | | Thu, Oct 22 | UA 1178 | United Airlines | 14:51 | 19:02 | 3h 11m | Boeing 737-900 | | Thu, Oct 22 | UA 2388 | United Airlines | 16:56 | 21:07 | 3h 11m | [Boeing 737-800](https://2lnr.com/seatmaps/ua/737-800.md) | | Thu, Oct 22 | UA 1373 | United Airlines | 18:25 | 22:30 | 3h 5m | Boeing 737-800 | | Thu, Oct 22 | UA 1968 | United Airlines | 20:20 | 00:30 | 3h 10m | [Boeing 737 MAX 8](https://2lnr.com/seatmaps/ua/737-max-8.md) | | Fri, Oct 23 | UA 1549 | United Airlines | 07:20 | 11:28 | 3h 8m | Boeing 737-900 | | Fri, Oct 23 | UA 2366 | United Airlines | 12:15 | 16:26 | 3h 11m | Boeing 737-900 | | Fri, Oct 23 | UA 1178 | United Airlines | 14:51 | 19:02 | 3h 11m | Boeing 737-900 | | Fri, Oct 23 | UA 2388 | United Airlines | 16:56 | 21:07 | 3h 11m | Boeing 737-800 | | Fri, Oct 23 | UA 1373 | United Airlines | 18:25 | 22:30 | 3h 5m | Boeing 737-800 | | Fri, Oct 23 | UA 1968 | United Airlines | 20:20 | 00:30 | 3h 10m | Boeing 737 MAX 8 | | Sat, Oct 24 | UA 1549 | United Airlines | 07:20 | 11:28 | 3h 8m | Boeing 737-800 | | Sat, Oct 24 | UA 2366 | United Airlines | 12:15 | 16:26 | 3h 11m | Boeing 737-900 | | Sat, Oct 24 | UA 1178 | United Airlines | 14:51 | 19:02 | 3h 11m | Boeing 737-900 | | Sat, Oct 24 | UA 2388 | United Airlines | 16:56 | 21:07 | 3h 11m | Boeing 737-800 | | Sat, Oct 24 | UA 1373 | United Airlines | 18:25 | 22:30 | 3h 5m | Boeing 737-800 | | Sat, Oct 24 | UA 1968 | United Airlines | 20:20 | 00:30 | 3h 10m | Boeing 737 MAX 8 | | Sun, Oct 25 | UA 1549 | United Airlines | 07:20 | 11:28 | 3h 8m | Boeing 737-900 | | Sun, Oct 25 | UA 2366 | United Airlines | 12:15 | 16:26 | 3h 11m | Boeing 737-900 | | Sun, Oct 25 | UA 2807 | United Airlines | 14:30 | 18:33 | 3h 3m | Boeing 737-800 | | Sun, Oct 25 | UA 2388 | United Airlines | 16:45 | 20:56 | 3h 11m | [Boeing 737 MAX 9](https://2lnr.com/seatmaps/ua/737-max-9.md) | | Sun, Oct 25 | UA 1373 | United Airlines | 18:25 | 22:30 | 3h 5m | Boeing 737-800 | | Sun, Oct 25 | UA 750 | United Airlines | 20:34 | 00:32 | 2h 58m | Boeing 737 MAX 8 | | Mon, Oct 26 | UA 1549 | United Airlines | 07:20 | 11:28 | 3h 8m | Boeing 737-900 | | Mon, Oct 26 | UA 2366 | United Airlines | 12:15 | 16:26 | 3h 11m | Boeing 737-900 | | Mon, Oct 26 | UA 2807 | United Airlines | 14:30 | 18:33 | 3h 3m | Boeing 737-800 | | Mon, Oct 26 | UA 2388 | United Airlines | 16:56 | 21:07 | 3h 11m | Boeing 737-800 | | Mon, Oct 26 | UA 1373 | United Airlines | 18:25 | 22:30 | 3h 5m | Boeing 737-800 | | Mon, Oct 26 | UA 750 | United Airlines | 19:50 | 23:55 | 3h 5m | Boeing 737-900 | | Tue, Oct 27 | UA 1549 | United Airlines | 07:20 | 11:28 | 3h 8m | Boeing 737-900 | | Tue, Oct 27 | UA 2366 | United Airlines | 12:15 | 16:26 | 3h 11m | Boeing 737-900 | | Tue, Oct 27 | UA 1282 | United Airlines | 14:20 | 18:20 | 3h | Boeing 737 MAX 8 | | Tue, Oct 27 | UA 2388 | United Airlines | 16:56 | 21:07 | 3h 11m | Boeing 737-800 | | Tue, Oct 27 | UA 1373 | United Airlines | 18:25 | 22:30 | 3h 5m | Boeing 737-800 | | Tue, Oct 27 | UA 750 | United Airlines | 19:50 | 23:55 | 3h 5m | Boeing 737-900 | | Wed, Oct 28 | UA 1549 | United Airlines | 07:20 | 11:28 | 3h 8m | Boeing 737-900 | | Wed, Oct 28 | UA 2366 | United Airlines | 12:15 | 16:26 | 3h 11m | Boeing 737-900 | | Wed, Oct 28 | UA 1282 | United Airlines | 14:20 | 18:20 | 3h | Boeing 737 MAX 8 | | Wed, Oct 28 | UA 2388 | United Airlines | 16:56 | 21:07 | 3h 11m | Boeing 737-800 | Showing the first 40 of 42 scheduled IAH to IAD departures across 7 days with service, starting October 22, 2026. Every remaining date is on the interactive map. Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every IAH to IAD date on the interactive map ## Aircraft on the Houston to Washington nonstop United Airlines flies the departures in the schedule table on this page with the [Boeing 737-900](https://2lnr.com/seatmaps/ua/737-900.md), the [Boeing 737-800](https://2lnr.com/seatmaps/ua/737-800.md), the [Boeing 737 MAX 8](https://2lnr.com/seatmaps/ua/737-max-8.md), and the [Boeing 737 MAX 9](https://2lnr.com/seatmaps/ua/737-max-9.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full IAH to IAD nonstop schedule This page carries the full IAH to IAD nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each IAH to IAD nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See IAH to IAD on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Houston to Washington nonstop Carriers operating IAH to IAD nonstop in the current schedule. - [United Airlines (UA) route map](https://2lnr.com/routes/airlines/ua.md)\ [The aircraft UA flies](https://2lnr.com/seatmaps/ua.md) See IAH to IAD on the interactive map → ## Frequently asked questions about IAH to IAD **How long is the flight from Houston (IAH) to Washington (IAD)?** Scheduled flight times from Houston (IAH) to Washington (IAD) run from 2h 58m to 3h 11m across the departures in the schedule table on this page. The nonstop covers about 1,189 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from IAH to IAD?** United Airlines is currently the only airline flying IAH to IAD nonstop. 2LNR doesn't show award or upgrade space for it on IAH to IAD, so this page carries the schedule rather than a space claim. **How many flights a week are there from IAH to IAD?** About 42 nonstop flights a week run between Houston (IAH) and Washington (IAD) in the current schedule, operated by United Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from IAH to IAD depart?** Scheduled IAH to IAD nonstops in the next 7 days with service leave between 07:20 and 20:34, local time at Houston. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate IAH to IAD nonstop?** The schedule table on this page lists 9 flight numbers for IAH to IAD nonstops, including UA 750, UA 1178, UA 1373, UA 1549, UA 1968, UA 2366, UA 2388, and UA 2807 on United Airlines. The table lists each departure by date with its times and aircraft. **Does 2LNR show upgrade or award space on IAH to IAD?** Not on this route: 2LNR doesn't show award or upgrade space for United Airlines on IAH to IAD. The page carries the full IAH to IAD nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [IAD to IAH nonstop flights](https://2lnr.com/routes/iad-iah.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Houston (IAH)](https://2lnr.com/routes/iah.md), or [every route from Washington (IAD)](https://2lnr.com/routes/iad.md). Nonstops to Washington (IAD) from other airports within 150 miles of Houston (IAH): - [Austin (AUS) to Washington (IAD)](https://2lnr.com/routes/aus-iad.md), 140 miles from IAH Nonstops from Houston (IAH) to other airports within 150 miles of Washington (IAD): - [Houston (IAH) to Washington (DCA)](https://2lnr.com/routes/iah-dca.md), 23 miles from IAD - [Houston (IAH) to Baltimore (BWI)](https://2lnr.com/routes/iah-bwi.md), 45 miles from IAD - [Houston (IAH) to Richmond (RIC)](https://2lnr.com/routes/iah-ric.md), 100 miles from IAD - [Houston (IAH) to Philadelphia (PHL)](https://2lnr.com/routes/iah-phl.md), 134 miles from IAD Distances are great-circle between the airports, not driving distance. - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) ## See the full IAH to IAD nonstop schedule Every scheduled departure on this route, with who flies it. 2LNR shows upgrade and award space by date on the carriers it tracks, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)