Airlines with flights from Washington to Houston

There are four airlines with scheduled flights between DCA and IAH. Both United and American Airlines operates non-stop flights from Reagan National to Houston Airport and the flight time is 3 hours and 33 minutes.

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Choose airline

Schedules

United Airlines

Non-stop with United Airlines

  • Total flight time: 3 hours and 33 minutes
  • Houston is a United Airlines hub.
  • 46 flights per week
  • Boeing 737-700 Passenger
    Boeing 737MAX 8 Passenger
    Airbus A319
    Boeing 737-800 Passenger
  • First class available
DCA
Direct
IAH
 
Flight
Mon
Jul 27
Tue
Jul 28
Wed
Jul 29
Thu
Jul 30
Fri
Jul 31
Sat
Aug 1
Sun
Aug 2
UA1450
06:00
06:00
06:00
06:00
06:00
06:00
06:00
UA697
08:20
08:20
08:20
08:20
08:20
08:20
08:20
UA2190
10:58
10:58
10:58
10:58
10:58
10:58
10:58
UA382
12:59
12:59
12:59
12:59
12:59
12:59
12:52
UA1381
14:55
14:55
14:55
14:55
14:55
----
14:55
UA1785
16:59
16:59
16:59
16:59
16:59
----
16:59
UA1678
19:28
19:28
19:28
19:28
19:28
----
19:28
SHOW RETURN SCHEDULE
CHECK PRICES FOR DCA - IAH

The timetable & schedule information was updated at 2026-04-21

American Airlines

Non-stop with American Airlines

  • Total flight time: 3 hours and 35 minutes
  • One World Alliance
  • Washington is a American Airlines hub.
  • 19 flights per week
  • Canadair (Bombardier) Regional Jet 700 and Challenger 870
  • First class available
DCA
Direct
IAH
 
Flight
Mon
Jul 27
Tue
Jul 28
Wed
Jul 29
Thu
Jul 30
Fri
Jul 31
Sat
Aug 1
Sun
Aug 2
AA5467
07:59
08:20
07:59
07:59
07:59
----
07:59
AA5333
13:59
13:59
13:59
13:59
13:59
----
13:59
AA5359
----
----
----
----
----
14:00
----
AA5222
19:56
19:56
19:56
19:56
19:56
----
19:56
SHOW RETURN SCHEDULE
CHECK PRICES FOR DCA - IAH

The timetable & schedule information was updated at 2026-04-21

American Airlines

Via Charlotte with American Airlines

  • Total flight time: 4h 42m - 7h 21m.
  • One World Alliance
  • Washington is a American Airlines hub.
  • 194 flights per week
  • Canadair (Bombardier) Regional Jet 700 and Challenger 870
DCA
 
Via CLT
 
IAH
 
Flight
Mon
Jul 27
Tue
Jul 28
Wed
Jul 29
Thu
Jul 30
Fri
Jul 31
Sat
Aug 1
Sun
Aug 2
AA365
AA1930
05:00
05:00
05:00
05:00
05:00
05:00
05:00
AA1518
AA1919
08:32
08:32
08:32
08:32
08:32
08:32
08:32
AA1295
AA1920
11:56
11:56
11:56
11:56
11:56
11:56
11:56
AA804
AA2935
15:23
----
----
15:23
15:23
15:23
15:23
AA2182
AA1840
17:26
17:26
17:26
17:26
17:26
17:26
17:26
SHOW RETURN SCHEDULE
CHECK PRICES FOR DCA - IAH

The timetable & schedule information was updated at 2026-04-21

Delta Air Lines

Via Atlanta with Delta Air Lines

  • Total flight time: 4h 45m - 7h 10m.
  • Sky Team Alliance
  • 206 flights per week
DCA
 
Via ATL
 
IAH
 
Flight
Mon
Jul 27
Tue
Jul 28
Wed
Jul 29
Thu
Jul 30
Fri
Jul 31
Sat
Aug 1
Sun
Aug 2
DL410
DL1682
06:00
06:00
06:00
06:00
06:00
06:00
06:00
DL330
DL1682
06:59
06:59
06:59
06:59
06:59
06:59
07:00
DL343
DL1572
08:00
08:00
08:00
08:00
08:00
08:00
08:00
DL455
DL1572
09:00
09:00
09:00
09:00
09:00
08:59
09:00
DL926
DL2890
10:15
10:15
10:15
10:15
10:15
10:15
10:15
DL380
DL2890
----
----
----
----
----
12:27
----
DL380
DL1223
12:27
12:27
12:27
12:27
12:27
----
12:27
DL737
DL1131
----
----
----
----
----
13:42
----
DL737
DL1223
13:42
13:42
13:42
13:42
13:42
----
13:42
DL360
DL1131
16:00
16:00
16:00
16:00
16:00
----
16:00
DL360
DL1284
----
16:00
----
----
----
DL850
DL1601
18:30
18:30
18:30
18:30
18:30
18:30
18:30
DL950
DL1601
19:35
19:35
19:35
19:35
19:35
19:35
19:35
SHOW RETURN SCHEDULE
CHECK PRICES FOR DCA - IAH

The timetable & schedule information was updated at 2026-04-21

American Airlines

Via Dallas with American Airlines

  • Total flight time: 5h 12m - 7h 56m.
  • One World Alliance
  • Washington is a American Airlines hub.
  • 356 flights per week
  • Canadair (Bombardier) Regional Jet 700 and Challenger 870
DCA
 
Via DFW
 
IAH
 
Flight
Mon
Jul 27
Tue
Jul 28
Wed
Jul 29
Thu
Jul 30
Fri
Jul 31
Sat
Aug 1
Sun
Aug 2
AA2243
AA1916
05:00
05:00
05:00
05:00
05:00
05:00
05:00
AA1839
AA2512
06:59
----
06:59
06:59
06:59
07:00
07:00
AA1839
AA3584
----
06:59
----
----
----
----
----
AA1978
AA2512
08:31
----
08:31
08:31
08:31
08:31
08:31
AA1978
AA3584
----
08:31
----
----
----
----
----
AA1618
AA3583
10:00
10:00
10:00
10:00
10:00
10:00
09:59
AA1623
AA3358
----
----
12:02
----
----
----
----
AA1623
AA1929
12:02
12:02
----
12:02
12:02
----
12:02
AA1177
AA3358
----
----
13:44
----
----
----
----
AA1177
AA1929
13:44
13:44
----
13:44
13:44
----
13:44
AA1177
AA4923
----
----
----
----
----
13:47
----
AA1624
AA1392
15:18
15:18
15:18
15:18
15:18
15:18
15:18
AA1414
AA2209
17:11
17:11
17:11
17:11
17:11
17:11
17:11
AA1158
AA1914
19:08
----
----
18:55
19:08
19:08
19:08
SHOW RETURN SCHEDULE
CHECK PRICES FOR DCA - IAH

The timetable & schedule information was updated at 2026-04-21

United Airlines

Via Chicago with United Airlines

  • Total flight time: 5h 31m - 8h 24m.
  • Houston is a United Airlines hub.
  • 143 flights per week
  • Boeing 737-700 Passenger
    Boeing 737MAX 8 Passenger
    Airbus A319
    Boeing 737-800 Passenger
DCA
 
Via ORD
 
IAH
 
Flight
Mon
Jul 27
Tue
Jul 28
Wed
Jul 29
Thu
Jul 30
Fri
Jul 31
Sat
Aug 1
Sun
Aug 2
UA1793
UA535
06:30
06:30
06:30
06:30
06:30
06:30
06:30
UA441
UA2638
07:30
07:30
07:30
07:30
07:30
----
07:30
UA1061
UA2638
08:25
08:25
08:25
08:25
08:25
----
08:25
UA2774
UA1448
09:30
09:30
09:30
09:30
09:30
09:30
09:30
UA2201
UA1448
10:30
10:30
10:30
10:30
10:30
10:30
10:30
UA374
UA2451
11:57
11:57
11:57
11:57
11:57
----
11:57
UA511
UA714
13:00
13:00
13:00
13:00
13:00
13:00
13:00
UA1888
UA714
14:00
14:00
14:00
14:00
14:00
----
14:00
UA1325
UA1954
15:30
15:30
15:30
15:30
15:30
----
15:30
UA654
UA2813
17:00
17:00
17:00
17:00
17:00
17:00
17:00
UA2148
UA2665
18:10
18:10
18:10
18:10
18:10
----
18:10
UA1193
UA2665
19:10
19:10
19:10
19:10
19:10
19:05
19:10
SHOW RETURN SCHEDULE
CHECK PRICES FOR DCA - IAH

The timetable & schedule information was updated at 2026-04-21

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Flight data on this page was last updated on 2026-07-13
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