All airlines flying from Houston George Bush (IAH) to Ronald Reagan Washington (DCA).

FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Fri 09:49 Houston George Bush (IAH) C 13:49 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6474 Non-stop Boeing 737-700 (73G) 3:00 Effective 2026-03-05 through 2026-03-27 Codeshare flight, operated by United Airlines.(UA 2311)
Sun 09:49 Houston George Bush (IAH) C 13:49 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6474 Non-stop Airbus A319 (319) 3:00 Effective 2026-03-08 through 2026-03-22 Codeshare flight, operated by United Airlines.(UA 2311)
Mon-Fri 09:50 Houston George Bush (IAH) C 13:49 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6474 Non-stop Boeing 737-700 (73G) 2:59 Effective 2026-02-12 through 2026-03-04 Codeshare flight, operated by United Airlines.(UA 2311)
Daily 14:30 Houston George Bush (IAH) C 18:25 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6475 Non-stop Airbus A320 (320) 2:55 Effective 2026-04-30 through 2026-05-20 Codeshare flight, operated by United Airlines.(UA 625)
Daily 14:30 Houston George Bush (IAH) C 18:25 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6475 Non-stop Boeing 737-700 (73G) 2:55 Effective from 2026-05-21 Codeshare flight, operated by United Airlines.(UA 625)
Mon-Fri,Sun 14:40 Houston George Bush (IAH) C 18:41 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6475 Non-stop Airbus A320 (320) 3:01 Effective 2026-01-06 through 2026-01-16 Codeshare flight, operated by United Airlines.(UA 1282)
Mon-Fri,Sun 14:40 Houston George Bush (IAH) C 18:41 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6475 Non-stop Airbus A320 (320) 3:01 Effective 2026-01-19 through 2026-02-11 Codeshare flight, operated by United Airlines.(UA 1282)
Mon,Sun 14:42 Houston George Bush (IAH) C 18:43 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6475 Non-stop Airbus A320 (320) 3:01 Effective 2026-01-04 through 2026-01-05 Codeshare flight, operated by United Airlines.(UA 2223)
Mon-Fri,Sun 14:43 Houston George Bush (IAH) C 18:44 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6475 Non-stop Airbus A319 (319) 3:01 Effective 2026-02-12 through 2026-03-04 Codeshare flight, operated by United Airlines.(UA 1282)
Mon-Fri,Sun 14:45 Houston George Bush (IAH) C 18:46 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6475 Non-stop Airbus A319 (319) 3:01 Effective 2026-03-05 through 2026-03-27 Codeshare flight, operated by United Airlines.(UA 625)
Daily 14:45 Houston George Bush (IAH) C 18:49 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6475 Non-stop Airbus A319 (319) 3:04 Effective 2026-03-29 through 2026-04-29 Codeshare flight, operated by United Airlines.(UA 625)
Daily 18:05 Houston George Bush (IAH) C 22:06 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6476 Non-stop Airbus A320 (320) 3:01 Valid until 2026-03-04 Codeshare flight, operated by United Airlines.(UA 1627)
Daily 18:05 Houston George Bush (IAH) C 22:14 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6476 Non-stop Airbus A320 (320) 3:09 Effective 2026-03-29 through 2026-04-29 Codeshare flight, operated by United Airlines.(UA 1627)
Daily 18:05 Houston George Bush (IAH) C 22:08 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6476 Non-stop Airbus A319 (319) 3:03 Effective 2026-04-30 through 2026-05-20 Codeshare flight, operated by United Airlines.(UA 1627)
Daily 18:05 Houston George Bush (IAH) C 22:08 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6476 Non-stop Boeing 737-700 (73G) 3:03 Effective from 2026-05-21 Codeshare flight, operated by United Airlines.(UA 1627)
Daily 18:10 Houston George Bush (IAH) C 22:10 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6476 Non-stop Airbus A320 (320) 3:00 Effective 2026-03-05 through 2026-03-28 Codeshare flight, operated by United Airlines.(UA 1627)
Mon-Fri 07:30 Houston George Bush (IAH) C 11:29 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6477 Non-stop Boeing 737-800 (738) 2:59 Valid until 2026-01-05 Codeshare flight, operated by United Airlines.(UA 512)
Wed,Sat,Sun 07:30 Houston George Bush (IAH) C 11:30 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6477 Non-stop Airbus A319 (319) 3:00 Effective 2026-01-03 through 2026-01-07 Codeshare flight, operated by United Airlines.(UA 512)
Mon,Tue,Thu-Sun 07:30 Houston George Bush (IAH) C 11:29 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6477 Non-stop Boeing 737-700 (73G) 2:59 Effective 2026-01-06 through 2026-01-17 Codeshare flight, operated by United Airlines.(UA 512)
Wed,Sun 07:30 Houston George Bush (IAH) C 11:30 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6477 Non-stop Airbus A319 (319) 3:00 Effective 2026-01-14 through 2026-01-21 Codeshare flight, operated by United Airlines.(UA 512)
Mon,Tue,Thu-Sun 07:30 Houston George Bush (IAH) C 11:29 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6477 Non-stop Boeing 737-700 (73G) 2:59 Effective 2026-01-19 through 2026-02-10 Codeshare flight, operated by United Airlines.(UA 512)
Wed 07:30 Houston George Bush (IAH) C 11:30 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6477 Non-stop Airbus A319 (319) 3:00 Operates only on 2026-01-28 Codeshare flight, operated by United Airlines.(UA 512)
Wed 07:30 Houston George Bush (IAH) C 11:29 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6477 Non-stop Boeing 737-700 (73G) 2:59 Operates only on 2026-02-11 Codeshare flight, operated by United Airlines.(UA 512)
Daily 07:30 Houston George Bush (IAH) C 11:25 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6477 Non-stop Airbus A320 (320) 2:55 Effective 2026-04-30 through 2026-05-20 Codeshare flight, operated by United Airlines.(UA 512)
Daily 07:30 Houston George Bush (IAH) C 11:25 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6477 Non-stop Boeing 737-700 (73G) 2:55 Effective from 2026-05-21 Codeshare flight, operated by United Airlines.(UA 512)
Thu,Sat 07:35 Houston George Bush (IAH) C 11:36 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6477 Non-stop Airbus A319 (319) 3:01 Effective 2026-02-12 through 2026-02-14 Codeshare flight, operated by United Airlines.(UA 512)
Fri 07:35 Houston George Bush (IAH) C 11:35 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6477 Non-stop Boeing 737-800 (738) 3:00 Operates only on 2026-02-13 Codeshare flight, operated by United Airlines.(UA 512)
Mon-Fri,Sun 07:35 Houston George Bush (IAH) C 11:35 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6477 Non-stop Boeing 737-700 (73G) 3:00 Effective 2026-02-15 through 2026-03-04 Codeshare flight, operated by United Airlines.(UA 512)
Sat 07:35 Houston George Bush (IAH) C 11:36 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6477 Non-stop Airbus A319 (319) 3:01 Effective 2026-02-21 through 2026-02-28 Codeshare flight, operated by United Airlines.(UA 512)
Mon-Fri,Sun 07:35 Houston George Bush (IAH) C 11:36 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6477 Non-stop Airbus A319 (319) 3:01 Effective 2026-03-05 through 2026-03-27 Codeshare flight, operated by United Airlines.(UA 512)
Sat 07:35 Houston George Bush (IAH) C 11:36 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6477 Non-stop Airbus A320 (320) 3:01 Operates only on 2026-03-07 Codeshare flight, operated by United Airlines.(UA 512)
Sat 07:35 Houston George Bush (IAH) C 11:35 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6477 Non-stop Boeing 737-800 (738) 3:00 Effective 2026-03-14 through 2026-03-28 Codeshare flight, operated by United Airlines.(UA 512)
Daily 07:35 Houston George Bush (IAH) C 11:40 Ronald Reagan Washington (DCA) 2 Air New Zealand NZ 6477 Non-stop Boeing 737-700 (73G) 3:05 Effective 2026-03-29 through 2026-04-29 Codeshare flight, operated by United Airlines.(UA 512)

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A domestic route departing from the Houston George Bush airport (IAH) and arriving at Ronald Reagan Washington airport (DCA).
The flight distance is 1205 miles, or 1940 km.
The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-5 . 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 2:54 and 3:27.

Return (DCA-IAH) flights

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All airlines flying from Houston George Bush (IAH) to Ronald Reagan Washington (DCA).

FLIGHT SCHEDULE

Direct Codeshare Flights:

Air New Zealand NZ6474

09:49

Houston George Bush (IAH) C

13:49

Ronald Reagan Washington (DCA) 2

Effective 2026-03-05 through 2026-03-27

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 2311)

Duration: 3:00, non-stop
Boeing 737-700 (73G)

Direct Codeshare Flights:

Air New Zealand NZ6474

09:49

Houston George Bush (IAH) C

13:49

Ronald Reagan Washington (DCA) 2

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 2311)

Duration: 3:00, non-stop
Airbus A319 (319)

Direct Codeshare Flights:

Air New Zealand NZ6474

09:50

Houston George Bush (IAH) C

13:49

Ronald Reagan Washington (DCA) 2

Effective 2026-02-12 through 2026-03-04

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 2311)

Duration: 2:59, non-stop
Boeing 737-700 (73G)

Direct Codeshare Flights:

Air New Zealand NZ6475

14:30

Houston George Bush (IAH) C

18:25

Ronald Reagan Washington (DCA) 2

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 625)

Duration: 2:55, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Air New Zealand NZ6475

14:30

Houston George Bush (IAH) C

18:25

Ronald Reagan Washington (DCA) 2

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 625)

Duration: 2:55, non-stop
Boeing 737-700 (73G)

Direct Codeshare Flights:

Air New Zealand NZ6475

14:40

Houston George Bush (IAH) C

18:41

Ronald Reagan Washington (DCA) 2

Effective 2026-01-06 through 2026-01-16

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 1282)

Duration: 3:01, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Air New Zealand NZ6475

14:40

Houston George Bush (IAH) C

18:41

Ronald Reagan Washington (DCA) 2

Effective 2026-01-19 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 1282)

Duration: 3:01, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Air New Zealand NZ6475

14:42

Houston George Bush (IAH) C

18:43

Ronald Reagan Washington (DCA) 2

Effective 2026-01-04 through 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 2223)

Duration: 3:01, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Air New Zealand NZ6475

14:43

Houston George Bush (IAH) C

18:44

Ronald Reagan Washington (DCA) 2

Effective 2026-02-12 through 2026-03-04

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 1282)

Duration: 3:01, non-stop
Airbus A319 (319)

Direct Codeshare Flights:

Air New Zealand NZ6475

14:45

Houston George Bush (IAH) C

18:46

Ronald Reagan Washington (DCA) 2

Effective 2026-03-05 through 2026-03-27

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 625)

Duration: 3:01, non-stop
Airbus A319 (319)

Direct Codeshare Flights:

Air New Zealand NZ6475

14:45

Houston George Bush (IAH) C

18:49

Ronald Reagan Washington (DCA) 2

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 625)

Duration: 3:04, non-stop
Airbus A319 (319)

Direct Codeshare Flights:

Air New Zealand NZ6476

18:05

Houston George Bush (IAH) C

22:06

Ronald Reagan Washington (DCA) 2

Valid until 2026-03-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 1627)

Duration: 3:01, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Air New Zealand NZ6476

18:05

Houston George Bush (IAH) C

22:14

Ronald Reagan Washington (DCA) 2

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 1627)

Duration: 3:09, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Air New Zealand NZ6476

18:05

Houston George Bush (IAH) C

22:08

Ronald Reagan Washington (DCA) 2

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 1627)

Duration: 3:03, non-stop
Airbus A319 (319)

Direct Codeshare Flights:

Air New Zealand NZ6476

18:05

Houston George Bush (IAH) C

22:08

Ronald Reagan Washington (DCA) 2

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 1627)

Duration: 3:03, non-stop
Boeing 737-700 (73G)

Direct Codeshare Flights:

Air New Zealand NZ6476

18:10

Houston George Bush (IAH) C

22:10

Ronald Reagan Washington (DCA) 2

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 1627)

Duration: 3:00, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Air New Zealand NZ6477

07:30

Houston George Bush (IAH) C

11:29

Ronald Reagan Washington (DCA) 2

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 512)

Duration: 2:59, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Air New Zealand NZ6477

07:30

Houston George Bush (IAH) C

11:30

Ronald Reagan Washington (DCA) 2

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

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 512)

Duration: 3:00, non-stop
Airbus A319 (319)

Direct Codeshare Flights:

Air New Zealand NZ6477

07:30

Houston George Bush (IAH) C

11:29

Ronald Reagan Washington (DCA) 2

Effective 2026-01-06 through 2026-01-17

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 512)

Duration: 2:59, non-stop
Boeing 737-700 (73G)

Direct Codeshare Flights:

Air New Zealand NZ6477

07:30

Houston George Bush (IAH) C

11:30

Ronald Reagan Washington (DCA) 2

Effective 2026-01-14 through 2026-01-21

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 512)

Duration: 3:00, non-stop
Airbus A319 (319)

Direct Codeshare Flights:

Air New Zealand NZ6477

07:30

Houston George Bush (IAH) C

11:29

Ronald Reagan Washington (DCA) 2

Effective 2026-01-19 through 2026-02-10

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 512)

Duration: 2:59, non-stop
Boeing 737-700 (73G)

Direct Codeshare Flights:

Air New Zealand NZ6477

07:30

Houston George Bush (IAH) C

11:30

Ronald Reagan Washington (DCA) 2

Operates only on 2026-01-28

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 512)

Duration: 3:00, non-stop
Airbus A319 (319)

Direct Codeshare Flights:

Air New Zealand NZ6477

07:30

Houston George Bush (IAH) C

11:29

Ronald Reagan Washington (DCA) 2

Operates only on 2026-02-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 512)

Duration: 2:59, non-stop
Boeing 737-700 (73G)

Direct Codeshare Flights:

Air New Zealand NZ6477

07:30

Houston George Bush (IAH) C

11:25

Ronald Reagan Washington (DCA) 2

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 512)

Duration: 2:55, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Air New Zealand NZ6477

07:30

Houston George Bush (IAH) C

11:25

Ronald Reagan Washington (DCA) 2

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 512)

Duration: 2:55, non-stop
Boeing 737-700 (73G)

Direct Codeshare Flights:

Air New Zealand NZ6477

07:35

Houston George Bush (IAH) C

11:36

Ronald Reagan Washington (DCA) 2

Effective 2026-02-12 through 2026-02-14

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat

Sun
-

Codeshare flight, operated by United Airlines. (UA 512)

Duration: 3:01, non-stop
Airbus A319 (319)

Direct Codeshare Flights:

Air New Zealand NZ6477

07:35

Houston George Bush (IAH) C

11:35

Ronald Reagan Washington (DCA) 2

Operates only on 2026-02-13

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 512)

Duration: 3:00, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Air New Zealand NZ6477

07:35

Houston George Bush (IAH) C

11:35

Ronald Reagan Washington (DCA) 2

Effective 2026-02-15 through 2026-03-04

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 512)

Duration: 3:00, non-stop
Boeing 737-700 (73G)

Direct Codeshare Flights:

Air New Zealand NZ6477

07:35

Houston George Bush (IAH) C

11:36

Ronald Reagan Washington (DCA) 2

Effective 2026-02-21 through 2026-02-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by United Airlines. (UA 512)

Duration: 3:01, non-stop
Airbus A319 (319)

Direct Codeshare Flights:

Air New Zealand NZ6477

07:35

Houston George Bush (IAH) C

11:36

Ronald Reagan Washington (DCA) 2

Effective 2026-03-05 through 2026-03-27

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 512)

Duration: 3:01, non-stop
Airbus A319 (319)

Direct Codeshare Flights:

Air New Zealand NZ6477

07:35

Houston George Bush (IAH) C

11:36

Ronald Reagan Washington (DCA) 2

Operates only on 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by United Airlines. (UA 512)

Duration: 3:01, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Air New Zealand NZ6477

07:35

Houston George Bush (IAH) C

11:35

Ronald Reagan Washington (DCA) 2

Effective 2026-03-14 through 2026-03-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by United Airlines. (UA 512)

Duration: 3:00, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Air New Zealand NZ6477

07:35

Houston George Bush (IAH) C

11:40

Ronald Reagan Washington (DCA) 2

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 512)

Duration: 3:05, non-stop
Boeing 737-700 (73G)

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A domestic route departing from the Houston George Bush airport (IAH) and arriving at Ronald Reagan Washington airport (DCA).
The flight distance is 1205 miles, or 1940 km.
The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-5 . 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 2:54 and 3:27.

Return (DCA-IAH) flights

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