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

United Airlines and American Airlines fly nonstop between Washington (DCA) and Houston (IAH), 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 DCA to IAH 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
To get started

Washington to Houston flight schedule

Scheduled nonstop departures for DCA to IAH, 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 Washington (DCA) to Houston (IAH)
Date Flight Airline Departs DCA Arrives IAH Duration Aircraft
UA 1450United Airlines06:0008:193h 19m7M8
AA 5055American Airlines08:2010:443h 24mCR7
UA 697United Airlines08:2010:383h 18m319
UA 2190United Airlines11:0013:203h 20m73G
UA 382United Airlines12:5215:123h 20m738
AA 5026American Airlines13:4816:193h 31mCR7
UA 4055United Airlines14:4017:173h 37mE7W
UA 4077United Airlines14:4017:173h 37mE7W
UA 1381United Airlines14:5517:143h 19m73G
UA 1785United Airlines16:3819:053h 27m73G
UA 1678United Airlines19:2921:483h 19m73G
AA 5317American Airlines19:5122:163h 25mCR7
AA 5222American Airlines19:5622:143h 18mCR7
UA 1450United Airlines06:0008:193h 19m7M8
AA 5496American Airlines07:3509:573h 22mCR7
UA 697United Airlines08:2010:383h 18m319
UA 2190United Airlines10:5813:183h 20m73G
UA 382United Airlines12:5715:173h 20m738
AA 5591American Airlines13:4416:083h 24mCR7
UA 4055United Airlines14:4017:173h 37mE7W
UA 4077United Airlines14:4017:173h 37mE7W
UA 1381United Airlines14:5517:143h 19m73G
UA 1785United Airlines16:3819:053h 27m73G
UA 1678United Airlines19:2921:483h 19m73G
AA 5317American Airlines19:5122:163h 25mCR7
AA 5222American Airlines19:5622:143h 18mCR7
AA 5411American Airlines20:3722:583h 21mCR7
UA 1450United Airlines06:0008:193h 19m7M8
AA 5496American Airlines07:3509:573h 22mCR7
UA 697United Airlines08:2010:383h 18m319
UA 2190United Airlines10:5813:183h 20m73G
UA 382United Airlines12:5715:173h 20m738
AA 5591American Airlines13:4416:083h 24mCR7
UA 4055United Airlines14:4017:173h 37mE7W
UA 4077United Airlines14:4017:173h 37mE7W
UA 1381United Airlines14:5517:143h 19m73G
UA 1785United Airlines16:3819:053h 27m73G
UA 1678United Airlines19:2921:483h 19m73G
AA 5317American Airlines19:5122:163h 25mCR7
AA 5222American Airlines19:5622:143h 18mCR7

Showing the first 40 of 88 scheduled DCA to IAH 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 DCA to IAH date on the interactive map

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.

See real availability

Confirmed upgrade and award seats on each DCA to IAH 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 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. 2LNR tracks confirmed upgrade and award space on each of them.

See DCA to IAH on the interactive map →

Frequently asked questions about DCA to IAH

How far is Houston from Washington?
DCA to IAH 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 DCA to IAH?
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 DCA to IAH?
About 92 nonstop flights a week run between Washington and Houston 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 20:37, local time at Washington. 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 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.

Never miss DCA to IAH 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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