United Airlines flights from Denver (DEN) to Houston George Bush (IAH).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 16:30 Denver (DEN) 20:01 Houston George Bush (IAH) C
United Airlines UA 236 Non-stop Boeing 737-900 (739) 2:31 Effective 2026-01-06 through 2026-02-05
Mon-Wed,Fri,Sat 16:30 Denver (DEN) 20:01 Houston George Bush (IAH) C
United Airlines UA 236 Non-stop Airbus A321neo (32Q) 2:31 Effective 2026-02-06 through 2026-02-11
Sun 16:30 Denver (DEN) 20:01 Houston George Bush (IAH) C
United Airlines UA 236 Non-stop Boeing 737-900 (739) 2:31 Operates only on 2026-02-08
Daily 05:00 Denver (DEN) 08:38 Houston George Bush (IAH) C
United Airlines UA 320 Non-stop Boeing 777 (777) 2:38 Valid until 2026-01-05
Mon-Sat 05:00 Denver (DEN) 08:33 Houston George Bush (IAH) C
United Airlines UA 320 Non-stop Airbus A321neo (32Q) 2:33 Effective 2026-02-12 through 2026-03-04
Sun 05:00 Denver (DEN) 08:32 Houston George Bush (IAH) C
United Airlines UA 320 Non-stop Boeing 757-200 (752) 2:32 Effective 2026-02-15 through 2026-03-01
Thu,Fri 05:00 Denver (DEN) 08:30 Houston George Bush (IAH) C
United Airlines UA 320 Non-stop Airbus A321neo (32Q) 2:30 Effective 2026-03-05 through 2026-03-06
Sat 05:00 Denver (DEN) 08:32 Houston George Bush (IAH) C
United Airlines UA 320 Non-stop Boeing 777 (777) 2:32 Operates only on 2026-03-07
Mon,Thu-Sun 05:00 Denver (DEN) 08:30 Houston George Bush (IAH) C
United Airlines UA 320 Non-stop Boeing 777 (777) 2:30 Effective 2026-03-08 through 2026-03-28
Tue,Wed 05:00 Denver (DEN) 08:30 Houston George Bush (IAH) C
United Airlines UA 320 Non-stop Airbus A321neo (32Q) 2:30 Effective 2026-03-10 through 2026-03-25
Daily 05:00 Denver (DEN) 08:35 Houston George Bush (IAH) C
United Airlines UA 320 Non-stop Boeing 737-900 (739) 2:35 Effective 2026-03-29 through 2026-04-29
Daily 05:00 Denver (DEN) 08:20 Houston George Bush (IAH) C
United Airlines UA 320 Non-stop Boeing 737-900 (739) 2:20 Effective from 2026-04-30
Daily 05:01 Denver (DEN) 08:36 Houston George Bush (IAH) C
United Airlines UA 320 Non-stop Airbus A321neo (32Q) 2:35 Effective 2026-01-06 through 2026-02-03
Daily 05:01 Denver (DEN) 08:36 Houston George Bush (IAH) C
United Airlines UA 320 Non-stop Airbus A321neo (32Q) 2:35 Effective 2026-02-05 through 2026-02-11
Thu 19:48 Denver (DEN) 23:15 Houston George Bush (IAH) C
United Airlines UA 330 Non-stop Boeing 737-900 (739) 2:27 Valid until 2026-01-01
Mon-Wed,Fri-Sun 19:48 Denver (DEN) 23:16 Houston George Bush (IAH) C
United Airlines UA 330 Non-stop Airbus A321neo (32Q) 2:28 Valid until 2026-01-05
Daily 10:03 Denver (DEN) 13:35 Houston George Bush (IAH) C
United Airlines UA 423 Non-stop Boeing 757-300 (753) 2:32 Effective 2026-03-05 through 2026-03-28
Daily 18:53 Denver (DEN) 22:20 Houston George Bush (IAH) C
United Airlines UA 475 Non-stop Boeing 757-300 (753) 2:27 Valid until 2026-01-05
Daily 19:15 Denver (DEN) 22:35 Houston George Bush (IAH) C
United Airlines UA 475 Non-stop Airbus A321neo (32Q) 2:20 Effective 2026-04-30 through 2026-05-20
Daily 19:15 Denver (DEN) 22:35 Houston George Bush (IAH) C
United Airlines UA 475 Non-stop Boeing 737-900 (739) 2:20 Effective 2026-05-21 through 2026-10-24
Daily 19:20 Denver (DEN) 22:48 Houston George Bush (IAH) C
United Airlines UA 475 Non-stop Airbus A321neo (32Q) 2:28 Effective 2026-01-06 through 2026-02-11
Daily 19:20 Denver (DEN) 22:46 Houston George Bush (IAH) C
United Airlines UA 475 Non-stop Airbus A321neo (32Q) 2:26 Effective 2026-02-12 through 2026-03-04
Daily 19:21 Denver (DEN) 22:47 Houston George Bush (IAH) C
United Airlines UA 475 Non-stop Airbus A321neo (32Q) 2:26 Effective 2026-03-05 through 2026-03-28
Daily 19:25 Denver (DEN) 22:45 Houston George Bush (IAH) C
United Airlines UA 475 Non-stop Boeing 737-900 (739) 2:20 Effective from 2026-10-25
Daily 19:35 Denver (DEN) 23:11 Houston George Bush (IAH) C
United Airlines UA 475 Non-stop Airbus A321neo (32Q) 2:36 Effective 2026-03-29 through 2026-04-29
Daily 15:35 Denver (DEN) 19:05 Houston George Bush (IAH) C
United Airlines UA 489 Non-stop Airbus A321neo (32Q) 2:30 Effective 2026-03-05 through 2026-03-28
Daily 15:35 Denver (DEN) 19:10 Houston George Bush (IAH) C
United Airlines UA 489 Non-stop Airbus A321neo (32Q) 2:35 Effective 2026-03-29 through 2026-04-29
Mon,Wed,Thu,Sat,Sun 15:36 Denver (DEN) 19:06 Houston George Bush (IAH) C
United Airlines UA 489 Non-stop Airbus A321neo (32Q) 2:30 Effective 2026-02-12 through 2026-02-19
Tue,Fri 15:36 Denver (DEN) 19:05 Houston George Bush (IAH) C
United Airlines UA 489 Non-stop Boeing 737-900 (739) 2:29 Effective 2026-02-13 through 2026-02-17
Mon,Wed-Sun 15:36 Denver (DEN) 19:06 Houston George Bush (IAH) C
United Airlines UA 489 Non-stop Airbus A321neo (32Q) 2:30 Effective 2026-02-20 through 2026-03-04
Tue 15:36 Denver (DEN) 19:05 Houston George Bush (IAH) C
United Airlines UA 489 Non-stop Boeing 737-900 (739) 2:29 Effective 2026-02-24 through 2026-03-03
Daily 15:39 Denver (DEN) 19:10 Houston George Bush (IAH) C
United Airlines UA 489 Non-stop Airbus A321neo (32Q) 2:31 Effective 2026-01-06 through 2026-02-11
Daily 15:40 Denver (DEN) 19:00 Houston George Bush (IAH) C
United Airlines UA 489 Non-stop Airbus A321neo (32Q) 2:20 Effective 2026-04-30 through 2026-05-20
Daily 15:40 Denver (DEN) 19:00 Houston George Bush (IAH) C
United Airlines UA 489 Non-stop Boeing 737-900 (739) 2:20 Effective from 2026-05-21
Mon,Tue,Thu-Sun 15:41 Denver (DEN) 19:10 Houston George Bush (IAH) C
United Airlines UA 489 Non-stop Airbus A321neo (32Q) 2:29 Valid until 2026-01-05
Daily 21:06 Denver (DEN) 00:36 Houston George Bush (IAH) C
United Airlines UA 568 Non-stop Airbus A321neo (32Q) 2:30 Effective 2026-03-05 through 2026-03-28
The flight arrives 1 day after departure.
Daily 16:30 Denver (DEN) 20:00 Houston George Bush (IAH) C
United Airlines UA 588 Non-stop Boeing 737-900 (739) 2:30 Effective 2026-02-12 through 2026-03-04
Daily 16:34 Denver (DEN) 20:10 Houston George Bush (IAH) C
United Airlines UA 588 Non-stop Boeing 737-900 (739) 2:36 Effective 2026-03-29 through 2026-04-29
Daily 16:34 Denver (DEN) 19:54 Houston George Bush (IAH) C
United Airlines UA 588 Non-stop Boeing 737-900 (739) 2:20 Effective 2026-04-30 through 2026-05-20
Daily 16:40 Denver (DEN) 20:10 Houston George Bush (IAH) C
United Airlines UA 588 Non-stop Boeing 737-900 (739) 2:30 Effective 2026-03-05 through 2026-03-28
Daily 16:40 Denver (DEN) 20:10 Houston George Bush (IAH) C
United Airlines UA 588 Non-stop Boeing 737-900 (739) 2:30 Effective from 2026-05-21
Daily 18:00 Denver (DEN) 21:28 Houston George Bush (IAH) C
United Airlines UA 618 Non-stop Airbus A321neo (32Q) 2:28 Valid until 2026-01-05
Mon,Wed-Sun 16:55 Denver (DEN) 20:28 Houston George Bush (IAH) C
United Airlines UA 726 Non-stop Boeing 737-900 (739) 2:33 Valid until 2026-01-05
Mon,Thu-Sun 06:17 Denver (DEN) 09:50 Houston George Bush (IAH) C
United Airlines UA 788 Non-stop Airbus A321neo (32Q) 2:33 Effective 2026-03-05 through 2026-03-28
Daily 11:47 Denver (DEN) 15:20 Houston George Bush (IAH) C
United Airlines UA 1354 Non-stop Boeing 757-300 (753) 2:33 Effective 2026-01-07 through 2026-02-11
Tue 11:50 Denver (DEN) 15:23 Houston George Bush (IAH) C
United Airlines UA 1354 Non-stop Boeing 757-300 (753) 2:33 Operates only on 2026-01-06
Daily 12:00 Denver (DEN) 15:20 Houston George Bush (IAH) C
United Airlines UA 1354 Non-stop Boeing 737-900 (739) 2:20 Effective 2026-05-21 through 2026-10-24
Mon-Thu,Sat,Sun 17:25 Denver (DEN) 20:54 Houston George Bush (IAH) C
United Airlines UA 1587 Non-stop Airbus A321neo (32Q) 2:29 Effective 2026-01-06 through 2026-02-11
Fri 17:25 Denver (DEN) 20:54 Houston George Bush (IAH) C
United Airlines UA 1587 Non-stop Boeing 737-900 (739) 2:29 Effective 2026-01-16 through 2026-02-06
Mon-Fri,Sun 17:25 Denver (DEN) 20:50 Houston George Bush (IAH) C
United Airlines UA 1587 Non-stop Boeing 757-200 (752) 2:25 Effective 2026-02-12 through 2026-03-04
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United Airlines flights from Denver (DEN) to Houston George Bush (IAH).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Effective 2026-01-06 through 2026-02-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:31, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-02-06 through 2026-02-11
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
-
Duration: 2:31, non-stop
Airbus A321neo (32Q)

Direct Flights:

Operates only on 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:31, non-stop
Boeing 737-900 (739)

Direct Flights:

Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:38, non-stop
Boeing 777 (777)

Direct Flights:

Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 2:33, non-stop
Airbus A321neo (32Q)

Direct Flights:

Effective 2026-02-15 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:32, non-stop
Boeing 757-200 (752)

Direct Flights:

Effective 2026-03-05 through 2026-03-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:30, non-stop
Airbus A321neo (32Q)

Direct Flights:

Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:32, non-stop
Boeing 777 (777)

Direct Flights:

Effective 2026-03-08 through 2026-03-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 2:30, non-stop
Boeing 777 (777)

Direct Flights:

Effective 2026-03-10 through 2026-03-25
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:30, non-stop
Airbus A321neo (32Q)

Direct Flights:

Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:35, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective from 2026-04-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:20, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-01-06 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:35, non-stop
Airbus A321neo (32Q)

Direct Flights:

Effective 2026-02-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:35, non-stop
Airbus A321neo (32Q)

Direct Flights:

Valid until 2026-01-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:27, non-stop
Boeing 737-900 (739)

Direct Flights:

Valid until 2026-01-05
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 2:28, non-stop
Airbus A321neo (32Q)

Direct Flights:

Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:32, non-stop
Boeing 757-300 (753)

Direct Flights:

Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:27, non-stop
Boeing 757-300 (753)

Direct Flights:

Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:20, non-stop
Airbus A321neo (32Q)

Direct Flights:

Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:20, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:28, non-stop
Airbus A321neo (32Q)

Direct Flights:

Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:26, non-stop
Airbus A321neo (32Q)

Direct Flights:

Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:26, non-stop
Airbus A321neo (32Q)

Direct Flights:

Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:20, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:36, non-stop
Airbus A321neo (32Q)

Direct Flights:

Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:30, non-stop
Airbus A321neo (32Q)

Direct Flights:

Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:35, non-stop
Airbus A321neo (32Q)

Direct Flights:

Effective 2026-02-12 through 2026-02-19
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
Duration: 2:30, non-stop
Airbus A321neo (32Q)

Direct Flights:

Effective 2026-02-13 through 2026-02-17
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:29, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-02-20 through 2026-03-04
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 2:30, non-stop
Airbus A321neo (32Q)

Direct Flights:

Effective 2026-02-24 through 2026-03-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:29, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:31, non-stop
Airbus A321neo (32Q)

Direct Flights:

Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:20, non-stop
Airbus A321neo (32Q)

Direct Flights:

Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:20, non-stop
Boeing 737-900 (739)

Direct Flights:

Valid until 2026-01-05
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Duration: 2:29, non-stop
Airbus A321neo (32Q)

Direct Flights:

Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:30, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Direct Flights:

Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:30, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:36, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:20, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:30, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:30, non-stop
Boeing 737-900 (739)

Direct Flights:

Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:28, non-stop
Airbus A321neo (32Q)

Direct Flights:

Valid until 2026-01-05
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 2:33, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-03-05 through 2026-03-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 2:33, non-stop
Airbus A321neo (32Q)

Direct Flights:

Effective 2026-01-07 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:33, non-stop
Boeing 757-300 (753)

Direct Flights:

Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:33, non-stop
Boeing 757-300 (753)

Direct Flights:

Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:20, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Duration: 2:29, non-stop
Airbus A321neo (32Q)

Direct Flights:

Effective 2026-01-16 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:29, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 757-200 (752)
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  • A domestic route departing from the Denver airport (DEN) and arriving at Houston George Bush airport (IAH).
  • The flight distance is 861 miles, or 1386 km.
  • The timezone of the departure airport is UTC-7 , 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 2:20 and 2:38.