All airlines flying from Washington Dulles (IAD) to Houston George Bush (IAH).

FLIGHT SCHEDULE
Direct Flights:
Mon,Thu-Sun 06:00 Washington Dulles (IAD) 08:36 Houston George Bush (IAH) C United Airlines UA 1409 Non-stop Boeing 737 MAX 9 (7M9) 3:36 Effective 2026-03-05 through 2026-03-28
Daily 22:05 Washington Dulles (IAD) 00:29 Houston George Bush (IAH) C United Airlines UA 1463 Non-stop Boeing 737-900 (739) 3:24 Effective 2026-03-29 through 2026-04-29 The flight arrives 1 day after departure.
Daily 22:06 Washington Dulles (IAD) 00:26 Houston George Bush (IAH) C United Airlines UA 1463 Non-stop Boeing 737 MAX 8 (7M8) 3:20 Effective from 2026-05-21 The flight arrives 1 day after departure.
Daily 22:11 Washington Dulles (IAD) 00:35 Houston George Bush (IAH) C United Airlines UA 1463 Non-stop Boeing 737-900 (739) 3:24 Effective 2026-04-30 through 2026-05-20 The flight arrives 1 day after departure.
Sun 06:00 Washington Dulles (IAD) 08:42 Houston George Bush (IAH) C United Airlines UA 1506 Non-stop Airbus A319 (319) 3:42 Effective 2026-01-11 through 2026-02-08
Tue 06:03 Washington Dulles (IAD) 08:45 Houston George Bush (IAH) C United Airlines UA 1506 Non-stop Boeing 737 MAX 9 (7M9) 3:42 Operates only on 2026-01-06
Mon-Sat 06:03 Washington Dulles (IAD) 08:45 Houston George Bush (IAH) C United Airlines UA 1506 Non-stop Airbus A320 (320) 3:42 Effective 2026-01-07 through 2026-02-03
Mon-Sat 06:03 Washington Dulles (IAD) 08:45 Houston George Bush (IAH) C United Airlines UA 1506 Non-stop Airbus A320 (320) 3:42 Effective 2026-02-05 through 2026-02-11
Mon-Fri,Sun 06:08 Washington Dulles (IAD) 08:50 Houston George Bush (IAH) C United Airlines UA 1506 Non-stop Airbus A320 (320) 3:42 Valid until 2026-01-05
Sat 06:08 Washington Dulles (IAD) 08:50 Houston George Bush (IAH) C United Airlines UA 1506 Non-stop Airbus A319 (319) 3:42 Operates only on 2026-01-03
Tue,Thu,Fri 08:15 Washington Dulles (IAD) 11:00 Houston George Bush (IAH) C United Airlines UA 1524 Non-stop Boeing 737-900 (739) 3:45 Effective 2026-01-06 through 2026-01-09
Mon,Wed 08:15 Washington Dulles (IAD) 11:00 Houston George Bush (IAH) C United Airlines UA 1524 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-01-07 through 2026-02-02
Sat,Sun 08:15 Washington Dulles (IAD) 11:02 Houston George Bush (IAH) C United Airlines UA 1524 Non-stop Airbus A320 (320) 3:47 Effective 2026-01-10 through 2026-02-08
Tue 08:15 Washington Dulles (IAD) 11:00 Houston George Bush (IAH) C United Airlines UA 1524 Non-stop Boeing 737 MAX 9 (7M9) 3:45 Effective 2026-01-13 through 2026-01-27
Thu,Fri 08:15 Washington Dulles (IAD) 11:00 Houston George Bush (IAH) C United Airlines UA 1524 Non-stop Boeing 737-900 (739) 3:45 Effective 2026-01-15 through 2026-01-30
Tue,Thu,Fri 08:15 Washington Dulles (IAD) 11:00 Houston George Bush (IAH) C United Airlines UA 1524 Non-stop Boeing 737-900 (739) 3:45 Effective 2026-02-03 through 2026-02-10
Mon,Wed 08:15 Washington Dulles (IAD) 11:00 Houston George Bush (IAH) C United Airlines UA 1524 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-02-09 through 2026-02-11
Mon,Thu 08:15 Washington Dulles (IAD) 10:56 Houston George Bush (IAH) C United Airlines UA 1524 Non-stop Boeing 737-900 (739) 3:41 Effective 2026-02-12 through 2026-03-02
Fri 08:15 Washington Dulles (IAD) 10:56 Houston George Bush (IAH) C United Airlines UA 1524 Non-stop Boeing 737-700 (73G) 3:41 Operates only on 2026-02-13
Fri,Sat 08:15 Washington Dulles (IAD) 10:56 Houston George Bush (IAH) C United Airlines UA 1524 Non-stop Boeing 737-900 (739) 3:41 Effective 2026-02-14 through 2026-02-28
Sun 08:15 Washington Dulles (IAD) 10:56 Houston George Bush (IAH) C United Airlines UA 1524 Non-stop Boeing 737-800 (738) 3:41 Effective 2026-02-15 through 2026-03-01
Tue,Wed 08:15 Washington Dulles (IAD) 10:56 Houston George Bush (IAH) C United Airlines UA 1524 Non-stop Boeing 737 MAX 9 (7M9) 3:41 Effective 2026-02-17 through 2026-03-04
Daily 08:25 Washington Dulles (IAD) 10:35 Houston George Bush (IAH) C United Airlines UA 1524 Non-stop Boeing 737-800 (738) 3:10 Effective from 2026-05-21
Sun 08:30 Washington Dulles (IAD) 11:13 Houston George Bush (IAH) C United Airlines UA 1524 Non-stop Boeing 737-800 (738) 3:43 Valid until 2026-01-04
Mon-Fri 08:30 Washington Dulles (IAD) 11:13 Houston George Bush (IAH) C United Airlines UA 1524 Non-stop Boeing 737-900 (739) 3:43 Valid until 2026-01-02
Sat 08:30 Washington Dulles (IAD) 11:15 Houston George Bush (IAH) C United Airlines UA 1524 Non-stop Airbus A320 (320) 3:45 Operates only on 2026-01-03
Mon 08:30 Washington Dulles (IAD) 11:13 Houston George Bush (IAH) C United Airlines UA 1524 Non-stop Boeing 737 MAX 9 (7M9) 3:43 Operates only on 2026-01-05
Mon,Thu 08:30 Washington Dulles (IAD) 11:10 Houston George Bush (IAH) C United Airlines UA 1524 Non-stop Boeing 737-900 (739) 3:40 Effective 2026-03-05 through 2026-03-26
Fri 08:30 Washington Dulles (IAD) 11:10 Houston George Bush (IAH) C United Airlines UA 1524 Non-stop Boeing 737-800 (738) 3:40 Effective 2026-03-06 through 2026-03-27
Tue,Wed,Sat,Sun 08:30 Washington Dulles (IAD) 11:11 Houston George Bush (IAH) C United Airlines UA 1524 Non-stop Airbus A319 (319) 3:41 Effective 2026-03-07 through 2026-03-28
Daily 08:30 Washington Dulles (IAD) 11:02 Houston George Bush (IAH) C United Airlines UA 1524 Non-stop Boeing 737-900 (739) 3:32 Effective 2026-03-29 through 2026-05-20
Wed 08:40 Washington Dulles (IAD) 11:25 Houston George Bush (IAH) C United Airlines UA 1524 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Operates only on 2026-02-04
Mon,Fri,Sat 12:35 Washington Dulles (IAD) 15:18 Houston George Bush (IAH) C United Airlines UA 1535 Non-stop Boeing 737-900 (739) 3:43 Effective 2026-01-09 through 2026-01-16
Mon,Fri 12:35 Washington Dulles (IAD) 15:18 Houston George Bush (IAH) C United Airlines UA 1535 Non-stop Boeing 737-900 (739) 3:43 Effective 2026-01-19 through 2026-02-09
Sat 12:41 Washington Dulles (IAD) 15:22 Houston George Bush (IAH) C United Airlines UA 1535 Non-stop Boeing 737-700 (73G) 3:41 Effective 2026-03-07 through 2026-03-28
Daily 12:48 Washington Dulles (IAD) 15:32 Houston George Bush (IAH) C United Airlines UA 1535 Non-stop Boeing 757-200 (752) 3:44 Valid until 2026-01-05
Tue 12:50 Washington Dulles (IAD) 15:37 Houston George Bush (IAH) C United Airlines UA 1535 Non-stop Airbus A320 (320) 3:47 Operates only on 2026-01-06
Wed 12:50 Washington Dulles (IAD) 15:35 Houston George Bush (IAH) C United Airlines UA 1535 Non-stop Boeing 737-900 (739) 3:45 Effective 2026-01-07 through 2026-01-28
Tue,Thu,Sun 12:50 Washington Dulles (IAD) 15:35 Houston George Bush (IAH) C United Airlines UA 1535 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-01-08 through 2026-02-10
Sat 12:50 Washington Dulles (IAD) 15:35 Houston George Bush (IAH) C United Airlines UA 1535 Non-stop Boeing 737 MAX 9 (7M9) 3:45 Effective 2026-01-17 through 2026-02-07
Wed 12:50 Washington Dulles (IAD) 15:37 Houston George Bush (IAH) C United Airlines UA 1535 Non-stop Airbus A320 (320) 3:47 Operates only on 2026-02-04
Wed 12:50 Washington Dulles (IAD) 15:35 Houston George Bush (IAH) C United Airlines UA 1535 Non-stop Boeing 737-900 (739) 3:45 Operates only on 2026-02-11
Thu,Fri 12:50 Washington Dulles (IAD) 15:31 Houston George Bush (IAH) C United Airlines UA 1535 Non-stop Boeing 737-900 (739) 3:41 Effective 2026-03-05 through 2026-03-06
Sun 12:50 Washington Dulles (IAD) 15:31 Houston George Bush (IAH) C United Airlines UA 1535 Non-stop Boeing 737-800 (738) 3:41 Effective 2026-03-08 through 2026-03-22
Mon,Tue 12:50 Washington Dulles (IAD) 15:32 Houston George Bush (IAH) C United Airlines UA 1535 Non-stop Airbus A319 (319) 3:42 Effective 2026-03-09 through 2026-03-24
Wed,Thu 12:50 Washington Dulles (IAD) 15:31 Houston George Bush (IAH) C United Airlines UA 1535 Non-stop Boeing 737-700 (73G) 3:41 Effective 2026-03-11 through 2026-03-18
Thu,Fri 12:50 Washington Dulles (IAD) 15:31 Houston George Bush (IAH) C United Airlines UA 1535 Non-stop Boeing 737-900 (739) 3:41 Effective 2026-03-13 through 2026-03-20
Wed-Fri 12:50 Washington Dulles (IAD) 15:31 Houston George Bush (IAH) C United Airlines UA 1535 Non-stop Boeing 737-900 (739) 3:41 Effective 2026-03-25 through 2026-03-27
Daily 12:50 Washington Dulles (IAD) 15:22 Houston George Bush (IAH) C United Airlines UA 1535 Non-stop Boeing 737-900 (739) 3:32 Effective 2026-03-29 through 2026-05-20
Daily 13:00 Washington Dulles (IAD) 15:12 Houston George Bush (IAH) C United Airlines UA 1535 Non-stop Boeing 737-800 (738) 3:12 Effective from 2026-05-21

1 2 3 4 5 6 7

A domestic route departing from the Washington Dulles airport (IAD) and arriving at Houston George Bush airport (IAH).
The flight distance is 1188 miles, or 1912 km.
The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-6 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 3:06 and 3:48.

Return (IAH-IAD) flights

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All airlines flying from Washington Dulles (IAD) to Houston George Bush (IAH).

FLIGHT SCHEDULE

Direct Flights:

United Airlines UA1409

06:00

Washington Dulles (IAD)

08:36

Houston George Bush (IAH) C

Effective 2026-03-05 through 2026-03-28

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 3:36, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA1463

22:05

Washington Dulles (IAD)

00:29(+1)

Houston George Bush (IAH) C

Effective 2026-03-29 through 2026-04-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:24, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

Direct Flights:

United Airlines UA1463

22:06

Washington Dulles (IAD)

00:26(+1)

Houston George Bush (IAH) C

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:20, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

United Airlines UA1463

22:11

Washington Dulles (IAD)

00:35(+1)

Houston George Bush (IAH) C

Effective 2026-04-30 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:24, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

Direct Flights:

United Airlines UA1506

06:00

Washington Dulles (IAD)

08:42

Houston George Bush (IAH) C

Effective 2026-01-11 through 2026-02-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:42, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA1506

06:03

Washington Dulles (IAD)

08:45

Houston George Bush (IAH) C

Operates only on 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:42, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA1506

06:03

Washington Dulles (IAD)

08:45

Houston George Bush (IAH) C

Effective 2026-01-07 through 2026-02-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Duration: 3:42, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA1506

06:03

Washington Dulles (IAD)

08:45

Houston George Bush (IAH) C

Effective 2026-02-05 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Duration: 3:42, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA1506

06:08

Washington Dulles (IAD)

08:50

Houston George Bush (IAH) C

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 3:42, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA1506

06:08

Washington Dulles (IAD)

08:50

Houston George Bush (IAH) C

Operates only on 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:42, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA1524

08:15

Washington Dulles (IAD)

11:00

Houston George Bush (IAH) C

Effective 2026-01-06 through 2026-01-09

Mon
-

Tue

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA1524

08:15

Washington Dulles (IAD)

11:00

Houston George Bush (IAH) C

Effective 2026-01-07 through 2026-02-02

Mon

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

United Airlines UA1524

08:15

Washington Dulles (IAD)

11:02

Houston George Bush (IAH) C

Effective 2026-01-10 through 2026-02-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Duration: 3:47, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA1524

08:15

Washington Dulles (IAD)

11:00

Houston George Bush (IAH) C

Effective 2026-01-13 through 2026-01-27

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA1524

08:15

Washington Dulles (IAD)

11:00

Houston George Bush (IAH) C

Effective 2026-01-15 through 2026-01-30

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA1524

08:15

Washington Dulles (IAD)

11:00

Houston George Bush (IAH) C

Effective 2026-02-03 through 2026-02-10

Mon
-

Tue

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA1524

08:15

Washington Dulles (IAD)

11:00

Houston George Bush (IAH) C

Effective 2026-02-09 through 2026-02-11

Mon

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

United Airlines UA1524

08:15

Washington Dulles (IAD)

10:56

Houston George Bush (IAH) C

Effective 2026-02-12 through 2026-03-02

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:41, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA1524

08:15

Washington Dulles (IAD)

10:56

Houston George Bush (IAH) C

Operates only on 2026-02-13

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:41, non-stop
Boeing 737-700 (73G)

Direct Flights:

United Airlines UA1524

08:15

Washington Dulles (IAD)

10:56

Houston George Bush (IAH) C

Effective 2026-02-14 through 2026-02-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 3:41, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA1524

08:15

Washington Dulles (IAD)

10:56

Houston George Bush (IAH) C

Effective 2026-02-15 through 2026-03-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:41, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1524

08:15

Washington Dulles (IAD)

10:56

Houston George Bush (IAH) C

Effective 2026-02-17 through 2026-03-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:41, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA1524

08:25

Washington Dulles (IAD)

10:35

Houston George Bush (IAH) C

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:10, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1524

08:30

Washington Dulles (IAD)

11:13

Houston George Bush (IAH) C

Valid until 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:43, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1524

08:30

Washington Dulles (IAD)

11:13

Houston George Bush (IAH) C

Valid until 2026-01-02

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 3:43, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA1524

08:30

Washington Dulles (IAD)

11:15

Houston George Bush (IAH) C

Operates only on 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:45, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA1524

08:30

Washington Dulles (IAD)

11:13

Houston George Bush (IAH) C

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:43, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA1524

08:30

Washington Dulles (IAD)

11:10

Houston George Bush (IAH) C

Effective 2026-03-05 through 2026-03-26

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:40, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA1524

08:30

Washington Dulles (IAD)

11:10

Houston George Bush (IAH) C

Effective 2026-03-06 through 2026-03-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:40, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1524

08:30

Washington Dulles (IAD)

11:11

Houston George Bush (IAH) C

Effective 2026-03-07 through 2026-03-28

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat

Sun

Duration: 3:41, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA1524

08:30

Washington Dulles (IAD)

11:02

Houston George Bush (IAH) C

Effective 2026-03-29 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:32, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA1524

08:40

Washington Dulles (IAD)

11:25

Houston George Bush (IAH) C

Operates only on 2026-02-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

United Airlines UA1535

12:35

Washington Dulles (IAD)

15:18

Houston George Bush (IAH) C

Effective 2026-01-09 through 2026-01-16

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 3:43, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA1535

12:35

Washington Dulles (IAD)

15:18

Houston George Bush (IAH) C

Effective 2026-01-19 through 2026-02-09

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:43, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA1535

12:41

Washington Dulles (IAD)

15:22

Houston George Bush (IAH) C

Effective 2026-03-07 through 2026-03-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:41, non-stop
Boeing 737-700 (73G)

Direct Flights:

United Airlines UA1535

12:48

Washington Dulles (IAD)

15:32

Houston George Bush (IAH) C

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:44, non-stop
Boeing 757-200 (752)

Direct Flights:

United Airlines UA1535

12:50

Washington Dulles (IAD)

15:37

Houston George Bush (IAH) C

Operates only on 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:47, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA1535

12:50

Washington Dulles (IAD)

15:35

Houston George Bush (IAH) C

Effective 2026-01-07 through 2026-01-28

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA1535

12:50

Washington Dulles (IAD)

15:35

Houston George Bush (IAH) C

Effective 2026-01-08 through 2026-02-10

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

United Airlines UA1535

12:50

Washington Dulles (IAD)

15:35

Houston George Bush (IAH) C

Effective 2026-01-17 through 2026-02-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:45, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA1535

12:50

Washington Dulles (IAD)

15:37

Houston George Bush (IAH) C

Operates only on 2026-02-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:47, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA1535

12:50

Washington Dulles (IAD)

15:35

Houston George Bush (IAH) C

Operates only on 2026-02-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA1535

12:50

Washington Dulles (IAD)

15:31

Houston George Bush (IAH) C

Effective 2026-03-05 through 2026-03-06

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:41, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA1535

12:50

Washington Dulles (IAD)

15:31

Houston George Bush (IAH) C

Effective 2026-03-08 through 2026-03-22

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:41, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1535

12:50

Washington Dulles (IAD)

15:32

Houston George Bush (IAH) C

Effective 2026-03-09 through 2026-03-24

Mon

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:42, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA1535

12:50

Washington Dulles (IAD)

15:31

Houston George Bush (IAH) C

Effective 2026-03-11 through 2026-03-18

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:41, non-stop
Boeing 737-700 (73G)

Direct Flights:

United Airlines UA1535

12:50

Washington Dulles (IAD)

15:31

Houston George Bush (IAH) C

Effective 2026-03-13 through 2026-03-20

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:41, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA1535

12:50

Washington Dulles (IAD)

15:31

Houston George Bush (IAH) C

Effective 2026-03-25 through 2026-03-27

Mon
-

Tue
-

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 3:41, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA1535

12:50

Washington Dulles (IAD)

15:22

Houston George Bush (IAH) C

Effective 2026-03-29 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:32, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA1535

13:00

Washington Dulles (IAD)

15:12

Houston George Bush (IAH) C

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:12, non-stop
Boeing 737-800 (738)

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A domestic route departing from the Washington Dulles airport (IAD) and arriving at Houston George Bush airport (IAH).
The flight distance is 1188 miles, or 1912 km.
The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-6 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 3:06 and 3:48.

Return (IAH-IAD) flights

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