--- title: "Washington (DCA) to Houston (IAH) flights: who flies it" description: "American Airlines and United Airlines fly nonstop from DCA to IAH, about 71 flights a week. See confirmed upgrade and award space by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/dca-iah" url: "https://2lnr.com/routes/dca-iah.md" date_modified: "2026-10-18T05:10:47Z" --- # Washington to Houston (DCA-IAH): nonstop upgrade & award space United Airlines and American Airlines fly nonstop between Washington (DCA) and Houston (IAH), roughly 71 times a week. The timetable below shows the nonstop scheduled at 3h 17m to 3h 56m for the 1,206 miles. 2LNR checks confirmed upgrade and award space on American Airlines flights on this route, so you can see which departures have space before you book. 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 DCA to IAH on the interactive map [Get started free](https://2lnr.com/login) 71 Flights a week, 4-week average 3h 17m to 3h 56m Scheduled flight time 1,206 mi Nonstop distance Free To get started ## Washington to Houston flight schedule Scheduled nonstop departures for DCA to IAH starting October 23, 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 Washington (DCA) to Houston (IAH) | Date | Flight | Airline | Departs DCA | Arrives IAH | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | UA 1450 | United Airlines | 06:00 | 08:17 | 3h 17m | [Boeing 737 MAX 8](https://2lnr.com/seatmaps/ua/737-max-8.md) | | Fri, Oct 23 | AA 5253 | American Airlines | 07:29 | 10:05 | 3h 36m | [Bombardier CRJ-700](https://2lnr.com/seatmaps/aa/crj-700.md) | | Fri, Oct 23 | UA 697 | United Airlines | 08:55 | 11:15 | 3h 20m | [Boeing 737-700](https://2lnr.com/seatmaps/ua/737-700.md) | | Fri, Oct 23 | UA 2190 | United Airlines | 10:59 | 13:19 | 3h 20m | Boeing 737-700 | | Fri, Oct 23 | UA 382 | United Airlines | 12:57 | 15:16 | 3h 19m | [Boeing 737-800](https://2lnr.com/seatmaps/ua/737-800.md) | | Fri, Oct 23 | AA 5458 | American Airlines | 13:40 | 16:18 | 3h 38m | Bombardier CRJ-700 | | Fri, Oct 23 | UA 4004 | United Airlines | 14:40 | 17:17 | 3h 37m | [Embraer E175](https://2lnr.com/seatmaps/ua/e175.md) | | Fri, Oct 23 | UA 1785 | United Airlines | 16:44 | 19:10 | 3h 26m | Boeing 737-700 | | Fri, Oct 23 | UA 1678 | United Airlines | 19:30 | 21:48 | 3h 18m | Boeing 737-700 | | Fri, Oct 23 | AA 5391 | American Airlines | 19:45 | 22:18 | 3h 33m | Bombardier CRJ-700 | | Sat, Oct 24 | UA 1450 | United Airlines | 06:00 | 08:17 | 3h 17m | Boeing 737 MAX 8 | | Sat, Oct 24 | UA 697 | United Airlines | 08:20 | 10:38 | 3h 18m | Boeing 737-700 | | Sat, Oct 24 | UA 2190 | United Airlines | 10:58 | 13:18 | 3h 20m | Boeing 737-700 | | Sat, Oct 24 | UA 382 | United Airlines | 12:57 | 15:16 | 3h 19m | Boeing 737-800 | | Sat, Oct 24 | AA 5458 | American Airlines | 13:40 | 16:18 | 3h 38m | Bombardier CRJ-700 | | Sat, Oct 24 | UA 4004 | United Airlines | 14:40 | 17:17 | 3h 37m | Embraer E175 | | Sun, Oct 25 | UA 1450 | United Airlines | 06:00 | 08:17 | 3h 17m | Boeing 737 MAX 8 | | Sun, Oct 25 | UA 697 | United Airlines | 08:55 | 11:15 | 3h 20m | Boeing 737-700 | | Sun, Oct 25 | UA 2190 | United Airlines | 10:58 | 13:18 | 3h 20m | Boeing 737-700 | | Sun, Oct 25 | UA 4073 | United Airlines | 12:39 | 15:35 | 3h 56m | Embraer E175 | | Sun, Oct 25 | UA 382 | United Airlines | 12:57 | 15:16 | 3h 19m | Boeing 737-800 | | Sun, Oct 25 | AA 5458 | American Airlines | 13:40 | 16:18 | 3h 38m | Bombardier CRJ-700 | | Sun, Oct 25 | UA 5232 | United Airlines | 14:30 | 17:25 | 3h 55m | Embraer E175 | | Sun, Oct 25 | UA 1381 | United Airlines | 14:50 | 17:24 | 3h 34m | Boeing 737-700 | | Sun, Oct 25 | UA 1785 | United Airlines | 16:44 | 19:10 | 3h 26m | Boeing 737-700 | | Sun, Oct 25 | UA 1678 | United Airlines | 19:29 | 21:48 | 3h 19m | Boeing 737-700 | | Sun, Oct 25 | AA 5391 | American Airlines | 19:45 | 22:18 | 3h 33m | Bombardier CRJ-700 | | Mon, Oct 26 | UA 1450 | United Airlines | 06:00 | 08:17 | 3h 17m | Boeing 737 MAX 8 | | Mon, Oct 26 | AA 5253 | American Airlines | 07:29 | 10:05 | 3h 36m | Bombardier CRJ-700 | | Mon, Oct 26 | UA 697 | United Airlines | 08:55 | 11:15 | 3h 20m | Boeing 737-700 | | Mon, Oct 26 | UA 2190 | United Airlines | 10:59 | 13:19 | 3h 20m | Boeing 737-700 | | Mon, Oct 26 | UA 382 | United Airlines | 12:57 | 15:16 | 3h 19m | Boeing 737-800 | | Mon, Oct 26 | AA 5458 | American Airlines | 13:40 | 16:18 | 3h 38m | Bombardier CRJ-700 | | Mon, Oct 26 | UA 1381 | United Airlines | 14:50 | 17:24 | 3h 34m | Boeing 737-700 | | Mon, Oct 26 | UA 1785 | United Airlines | 16:44 | 19:10 | 3h 26m | Boeing 737-700 | | Mon, Oct 26 | UA 1678 | United Airlines | 19:36 | 22:15 | 3h 39m | Boeing 737-800 | | Mon, Oct 26 | AA 5391 | American Airlines | 19:45 | 22:18 | 3h 33m | Bombardier CRJ-700 | | Tue, Oct 27 | UA 1450 | United Airlines | 06:00 | 08:17 | 3h 17m | Boeing 737 MAX 8 | | Tue, Oct 27 | UA 697 | United Airlines | 08:15 | 10:54 | 3h 39m | [Airbus A320](https://2lnr.com/seatmaps/ua/a320.md) | | Tue, Oct 27 | UA 2190 | United Airlines | 10:59 | 13:19 | 3h 20m | Boeing 737-700 | Showing the first 40 of 67 scheduled DCA to IAH departures across 7 days with service, starting October 23, 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 DCA to IAH date on the interactive map ## Aircraft on the Washington to Houston nonstop In the schedule table on this page, United Airlines flies the [Boeing 737-700](https://2lnr.com/seatmaps/ua/737-700.md), the [Boeing 737 MAX 8](https://2lnr.com/seatmaps/ua/737-max-8.md), the [Boeing 737-800](https://2lnr.com/seatmaps/ua/737-800.md), the [Embraer E175](https://2lnr.com/seatmaps/ua/e175.md), and the [Airbus A320](https://2lnr.com/seatmaps/ua/a320.md), and American Airlines flies the [Bombardier CRJ-700](https://2lnr.com/seatmaps/aa/crj-700.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Confirmed upgrade & award space on DCA to IAH departures 2LNR tracks confirmed upgrade and award space on American Airlines, segment by segment and date by date. Open the calendar for Washington to Houston to see which departures have space, the next 14 days free on every product and the full horizon on Pro. American Airlines award space was open on 6 of the 14 Washington to Houston departure dates from October 19 to November 1 that 2LNR checked in the 7 days to October 19, 2026. ### See real availability Confirmed upgrade or award seats by date on the DCA to IAH departures 2LNR tracks, checked against live inventory so you know what's open before you book. ### Set an alert Premium inventory turns over fast. Watch this route on Pro and 2LNR notifies you when space appears on a date you're tracking. ### Plan on the map See DCA to IAH on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Washington to Houston nonstop Carriers operating DCA to IAH nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date. - [United Airlines (UA) route map](https://2lnr.com/routes/airlines/ua.md)\ [The aircraft UA flies](https://2lnr.com/seatmaps/ua.md) - [American Airlines (AA) route map](https://2lnr.com/routes/airlines/aa.md)\ [The aircraft AA flies](https://2lnr.com/seatmaps/aa.md) See DCA to IAH on the interactive map → ## Frequently asked questions about DCA to IAH **How long is the flight from Washington (DCA) to Houston (IAH)?** Scheduled flight times from Washington (DCA) to Houston (IAH) run from 3h 17m to 3h 56m across the departures in the schedule table on this page. The nonstop covers about 1,206 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from DCA to IAH?** United Airlines and American Airlines fly DCA to IAH nonstop. 2LNR tracks confirmed upgrade and award space on American Airlines. **How many flights a week are there from DCA to IAH?** About 71 nonstop flights a week run between Washington (DCA) and Houston (IAH) in the current schedule, operated by United Airlines and American Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from DCA to IAH depart?** Scheduled DCA to IAH nonstops in the next 7 days with service leave between 06:00 and 19:45, local time at Washington. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate DCA to IAH nonstop?** The schedule table on this page lists 13 flight numbers for DCA to IAH nonstops, including UA 382, UA 697, UA 1450, UA 1678, UA 1785, and UA 2190 on United Airlines, and AA 5391 and AA 5458 on American Airlines. The table lists each departure by date with its times and aircraft. **How do I check upgrade or award availability on DCA to IAH?** Open the DCA to IAH route on the interactive map or the matrix to see confirmed upgrade and award space by date on American Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens. Flying the other way? See [IAH to DCA upgrade and award space](https://2lnr.com/routes/iah-dca.md). Award seats rather than schedules? See [American Airlines award availability](https://2lnr.com/awards/aa.md). Looking beyond this route? See [every route from Washington (DCA)](https://2lnr.com/routes/dca.md), or [every route from Houston (IAH)](https://2lnr.com/routes/iah.md). Nonstops to Houston (IAH) from other airports within 150 miles of Washington (DCA): - [Washington (IAD) to Houston (IAH)](https://2lnr.com/routes/iad-iah.md), 23 miles from DCA - [Baltimore (BWI) to Houston (IAH)](https://2lnr.com/routes/bwi-iah.md), 30 miles from DCA - [Richmond (RIC) to Houston (IAH)](https://2lnr.com/routes/ric-iah.md), 94 miles from DCA - [Philadelphia (PHL) to Houston (IAH)](https://2lnr.com/routes/phl-iah.md), 120 miles from DCA - [Norfolk (ORF) to Houston (IAH)](https://2lnr.com/routes/orf-iah.md), 143 miles from DCA Nonstops from Washington (DCA) to other airports within 150 miles of Houston (IAH): - [Washington (DCA) to Austin (AUS)](https://2lnr.com/routes/dca-aus.md), 140 miles from IAH Distances are great-circle between the airports, not driving distance. - [How American upgrades clear](https://2lnr.com/about/aa/upgrades.md) - [How to read award availability by date](https://2lnr.com/guides/award-availability.md) ## Never miss DCA to IAH upgrade or award space See what's open by date on this route, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)