Houston to Washington (IAH-DCA): nonstop upgrade & award space

United Airlines and American Airlines fly nonstop between Houston (IAH) and Washington (DCA), roughly 92 times a week. With United Airlines running most of the schedule, the shape of a week is predictable, which makes an open premium seat on a given date easy to spot and quick to lose. 2LNR tracks confirmed upgrade and award space on American Airlines, on every IAH to DCA departure, so you know which flights have space before you book.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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92
Nonstop flights a week
1,206 mi
Nonstop distance
Free
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Houston to Washington flight schedule

Scheduled nonstop departures for IAH to DCA, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Houston (IAH) to Washington (DCA)
Date Flight Airline Departs IAH Arrives DCA Duration Aircraft
AA 5081American Airlines07:0011:103h 10mCR7
UA 512United Airlines07:4111:503h 9m738
UA 6112United Airlines09:4313:593h 16mE7W
UA 6170United Airlines09:4313:593h 16mE7W
AA 5055American Airlines11:1415:243h 10mCR7
UA 654United Airlines11:5516:043h 9m73G
UA 625United Airlines14:2018:293h 9m73G
AA 5026American Airlines16:5020:593h 9mCR7
UA 1278United Airlines16:5521:053h 10m319
UA 1350United Airlines16:5521:053h 10m319
UA 2296United Airlines16:5521:063h 11m319
UA 1627United Airlines18:0522:133h 8m7M8
UA 2224United Airlines19:5023:593h 9m7M8
AA 5463American Airlines07:0011:173h 17mCR7
UA 512United Airlines07:4511:543h 9m738
UA 6112United Airlines09:4313:593h 16mE7W
UA 6170United Airlines09:4313:593h 16mE7W
AA 5496American Airlines10:2714:443h 17mCR7
UA 654United Airlines11:5516:043h 9m73G
UA 625United Airlines14:2018:293h 9m73G
AA 5589American Airlines16:4421:023h 18mCR7
UA 1278United Airlines16:5521:053h 10m319
UA 1350United Airlines16:5521:053h 10m319
UA 2296United Airlines16:5521:063h 11m319
UA 1627United Airlines18:0522:133h 8m7M8
UA 2224United Airlines19:5023:593h 9m7M8
AA 5463American Airlines07:0011:173h 17mCR7
UA 512United Airlines07:4511:543h 9m738
UA 6112United Airlines09:4313:593h 16mE7W
UA 6170United Airlines09:4313:593h 16mE7W
AA 5496American Airlines10:2714:443h 17mCR7
UA 654United Airlines11:5516:043h 9m73G
UA 625United Airlines14:2018:293h 9m73G
AA 5589American Airlines16:4421:023h 18mCR7
UA 1278United Airlines16:5521:053h 10m319
UA 1350United Airlines16:5521:053h 10m319
UA 2296United Airlines16:5521:063h 11m319
UA 1627United Airlines18:0522:133h 8m7M8
UA 2224United Airlines19:5023:593h 9m7M8
AA 5463American Airlines07:0011:173h 17mCR7

Showing the first 40 of 83 scheduled IAH to DCA departures across the next 7 days with service. 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 has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every IAH to DCA date on the interactive map

Confirmed upgrade & award space on IAH to DCA departures

2LNR tracks confirmed upgrade and award space on American Airlines, segment by segment and date by date. Open the calendar for Houston to Washington to see which departures have space, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade and award seats on each IAH to DCA departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See IAH to DCA on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Houston to Washington nonstop

Carriers operating IAH to DCA nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See IAH to DCA on the interactive map →

Frequently asked questions about IAH to DCA

How far is Washington from Houston?
IAH to DCA covers about 1,206 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from IAH to DCA?
United Airlines and American Airlines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on American Airlines.
How many flights a week are there from IAH to DCA?
About 92 nonstop flights a week run between Houston and Washington 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 IAH to DCA depart?
Scheduled IAH to DCA nonstops in the next 7 days with service leave between 07:00 and 19:50, local time at Houston. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
How do I check upgrade or award availability on IAH to DCA?
Open the IAH to DCA 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.

Never miss IAH to DCA upgrade or award space

See what is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

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