ITA Airways flights from Houston George Bush (IAH) to Washington Dulles (IAD).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Tue,Fri-Sun 09:45 Houston George Bush (IAH) C 13:42 Washington Dulles (IAD)
ITA Airways AZ 4371 Non-stop Boeing 737-800 (738) 2:57 Effective 2026-05-22 through 2026-05-31
Codeshare flight, operated by United Airlines.(UA 2862)
Daily 09:45 Houston George Bush (IAH) C 13:42 Washington Dulles (IAD)
ITA Airways AZ 4371 Non-stop Boeing 737-800 (738) 2:57 Effective 2026-06-01 through 2026-06-24
Codeshare flight, operated by United Airlines.(UA 2862)
Sun 07:20 Houston George Bush (IAH) C 11:21 Washington Dulles (IAD)
ITA Airways AZ 4422 Non-stop Boeing 737-900 (739) 3:01 Operates only on 2026-03-01
Codeshare flight, operated by United Airlines.(UA 1549)
Tue 07:25 Houston George Bush (IAH) C 11:26 Washington Dulles (IAD)
ITA Airways AZ 4422 Non-stop Boeing 737 MAX 9 (7M9) 3:01 Operates only on 2026-03-03
Codeshare flight, operated by United Airlines.(UA 1549)
Thu 07:25 Houston George Bush (IAH) C 11:26 Washington Dulles (IAD)
ITA Airways AZ 4422 Non-stop Boeing 737-900 (739) 3:01 Operates only on 2026-03-05
Codeshare flight, operated by United Airlines.(UA 1549)
Tue,Fri-Sun 07:25 Houston George Bush (IAH) C 11:32 Washington Dulles (IAD)
ITA Airways AZ 4422 Non-stop Boeing 737-900 (739) 3:07 Effective 2026-03-29 through 2026-05-19
Codeshare flight, operated by United Airlines.(UA 1549)
Tue,Fri-Sun 07:40 Houston George Bush (IAH) C 11:37 Washington Dulles (IAD)
ITA Airways AZ 4422 Non-stop Boeing 737-800 (738) 2:57 Effective 2026-05-22 through 2026-05-31
Codeshare flight, operated by United Airlines.(UA 1549)
Daily 07:40 Houston George Bush (IAH) C 11:37 Washington Dulles (IAD)
ITA Airways AZ 4422 Non-stop Boeing 737-800 (738) 2:57 Effective 2026-06-01 through 2026-09-29
Codeshare flight, operated by United Airlines.(UA 1549)
Tue,Fri-Sun 07:40 Houston George Bush (IAH) C 11:37 Washington Dulles (IAD)
ITA Airways AZ 4422 Non-stop Boeing 737-800 (738) 2:57 Effective 2026-10-02 through 2026-10-24
Codeshare flight, operated by United Airlines.(UA 1549)


ITA Airways flights from Houston George Bush (IAH) to Washington Dulles (IAD).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Effective 2026-05-22 through 2026-05-31
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2862)
Duration: 2:57, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-06-01 through 2026-06-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2862)
Duration: 2:57, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Operates only on 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1549)
Duration: 3:01, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Operates only on 2026-03-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1549)
Duration: 3:01, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Operates only on 2026-03-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1549)
Duration: 3:01, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Effective 2026-03-29 through 2026-05-19
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1549)
Duration: 3:07, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Effective 2026-05-22 through 2026-05-31
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1549)
Duration: 2:57, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-06-01 through 2026-09-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1549)
Duration: 2:57, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-10-02 through 2026-10-24
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1549)
Duration: 2:57, non-stop
Boeing 737-800 (738)
  • A domestic route departing from the Houston George Bush airport (IAH) and arriving at Washington Dulles airport (IAD).
  • The flight distance is 1188 miles, or 1912 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 2:57 and 3:07.