United Airlines flight UA 1971: Houston George Bush - Las Vegas Harry Reid via Chicago O'Hare

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FLIGHT SCHEDULE
Direct Flights:
Daily 14:20 Houston George Bush (IAH) C 15:48 Las Vegas Harry Reid (LAS) 3
UA 1971 Non-stop Boeing 737-800 (738) 3:28 Effective 2026-03-29 through 2026-04-29
Mon-Fri,Sun 14:26 Houston George Bush (IAH) C 16:00 Las Vegas Harry Reid (LAS) 3
UA 1971 Non-stop Boeing 737 MAX 9 (7M9) 3:34 Effective 2026-01-06 through 2026-02-11
Sat 14:26 Houston George Bush (IAH) C 16:00 Las Vegas Harry Reid (LAS) 3
UA 1971 Non-stop Boeing 737-800 (738) 3:34 Effective 2026-01-10 through 2026-02-07
Daily 14:30 Houston George Bush (IAH) C 16:00 Las Vegas Harry Reid (LAS) 3
UA 1971 Non-stop Boeing 737-800 (738) 3:30 Effective from 2026-05-21
Thu 14:39 Houston George Bush (IAH) C 16:16 Las Vegas Harry Reid (LAS) 3
UA 1971 Non-stop Boeing 737-900 (739) 3:37 Operates only on 2026-02-12
Daily 14:39 Houston George Bush (IAH) C 16:16 Las Vegas Harry Reid (LAS) 3
UA 1971 Non-stop Boeing 737 MAX 9 (7M9) 3:37 Effective 2026-02-13 through 2026-02-21
Sun 14:39 Houston George Bush (IAH) C 16:16 Las Vegas Harry Reid (LAS) 3
UA 1971 Non-stop Boeing 737-900 (739) 3:37 Operates only on 2026-02-22
Daily 14:39 Houston George Bush (IAH) C 16:16 Las Vegas Harry Reid (LAS) 3
UA 1971 Non-stop Boeing 737 MAX 9 (7M9) 3:37 Effective 2026-02-23 through 2026-03-04
Daily 14:45 Houston George Bush (IAH) C 16:13 Las Vegas Harry Reid (LAS) 3
UA 1971 Non-stop Boeing 737-800 (738) 3:28 Effective 2026-04-30 through 2026-05-20
Mon,Thu-Sun 14:52 Houston George Bush (IAH) C 16:30 Las Vegas Harry Reid (LAS) 3
UA 1971 Non-stop Boeing 737-900 (739) 3:38 Effective 2026-03-05 through 2026-03-28
Tue,Wed 14:52 Houston George Bush (IAH) C 16:30 Las Vegas Harry Reid (LAS) 3
UA 1971 Non-stop Boeing 737-800 (738) 3:38 Effective 2026-03-10 through 2026-03-18
Tue 14:52 Houston George Bush (IAH) C 16:30 Las Vegas Harry Reid (LAS) 3
UA 1971 Non-stop Boeing 737 MAX 8 (7M8) 3:38 Operates only on 2026-03-24
Wed 14:52 Houston George Bush (IAH) C 16:30 Las Vegas Harry Reid (LAS) 3
UA 1971 Non-stop Boeing 737-800 (738) 3:38 Operates only on 2026-03-25
Sat 15:29 Houston George Bush (IAH) C 17:03 Las Vegas Harry Reid (LAS) 3
UA 1971 Non-stop Boeing 737 MAX 9 (7M9) 3:34 Valid until 2026-01-03
Mon,Wed 15:29 Houston George Bush (IAH) C 17:03 Las Vegas Harry Reid (LAS) 3
UA 1971 Non-stop Boeing 737-900 (739) 3:34 Valid until 2026-01-05
Tue,Fri 15:29 Houston George Bush (IAH) C 17:03 Las Vegas Harry Reid (LAS) 3
UA 1971 Non-stop Boeing 737-800 (738) 3:34 Valid until 2026-01-02
Thu 15:29 Houston George Bush (IAH) C 17:03 Las Vegas Harry Reid (LAS) 3
UA 1971 Non-stop Boeing 737 MAX 8 (7M8) 3:34 Operates only on 2026-01-01
Sun 15:56 Houston George Bush (IAH) C 17:30 Las Vegas Harry Reid (LAS) 3
UA 1971 Non-stop Boeing 737 MAX 8 (7M8) 3:34 Operates only on 2026-01-04
Daily 17:00 Las Vegas Harry Reid (LAS) 3 22:46 Chicago O'Hare (ORD) 1
UA 1971 Non-stop Boeing 737 MAX 9 (7M9) 3:46 Effective 2026-04-30 through 2026-05-20
Daily 17:05 Las Vegas Harry Reid (LAS) 3 22:53 Chicago O'Hare (ORD) 1
UA 1971 Non-stop Boeing 737-900 (739) 3:48 Effective from 2026-05-21
Daily 17:38 Las Vegas Harry Reid (LAS) 3 23:24 Chicago O'Hare (ORD) 1
UA 1971 Non-stop Boeing 737 MAX 9 (7M9) 3:46 Effective 2026-03-29 through 2026-04-29
Non-Direct Flights:
Daily 14:20 Houston George Bush (IAH) C 23:24 Chicago O'Hare (ORD) 1
UA 1971 1-stop Boeing 737-800 (738) 9:04 Effective 2026-03-29 through 2026-04-29
Daily 14:30 Houston George Bush (IAH) C 22:53 Chicago O'Hare (ORD) 1
UA 1971 1-stop Boeing 737-800 (738) 8:23 Effective from 2026-05-21
Daily 14:45 Houston George Bush (IAH) C 22:46 Chicago O'Hare (ORD) 1
UA 1971 1-stop Boeing 737-800 (738) 8:01 Effective 2026-04-30 through 2026-05-20
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United Airlines flight UA 1971:
Houston George Bush - Las Vegas Harry Reid via Chicago O'Hare
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA1971
14:20
Houston George Bush (IAH) C

15:48
Las Vegas Harry Reid (LAS) 3
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:28, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1971
14:26
Houston George Bush (IAH) C

16:00
Las Vegas Harry Reid (LAS) 3
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:34, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1971
14:26
Houston George Bush (IAH) C

16:00
Las Vegas Harry Reid (LAS) 3
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:34, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1971
14:30
Houston George Bush (IAH) C

16:00
Las Vegas Harry Reid (LAS) 3
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:30, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1971
14:39
Houston George Bush (IAH) C

16:16
Las Vegas Harry Reid (LAS) 3
Operates only on 2026-02-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:37, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1971
14:39
Houston George Bush (IAH) C

16:16
Las Vegas Harry Reid (LAS) 3
Effective 2026-02-13 through 2026-02-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:37, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1971
14:39
Houston George Bush (IAH) C

16:16
Las Vegas Harry Reid (LAS) 3
Operates only on 2026-02-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:37, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1971
14:39
Houston George Bush (IAH) C

16:16
Las Vegas Harry Reid (LAS) 3
Effective 2026-02-23 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:37, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1971
14:45
Houston George Bush (IAH) C

16:13
Las Vegas Harry Reid (LAS) 3
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:28, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1971
14:52
Houston George Bush (IAH) C

16:30
Las Vegas Harry Reid (LAS) 3
Effective 2026-03-05 through 2026-03-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 3:38, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1971
14:52
Houston George Bush (IAH) C

16:30
Las Vegas Harry Reid (LAS) 3
Effective 2026-03-10 through 2026-03-18
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:38, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1971
14:52
Houston George Bush (IAH) C

16:30
Las Vegas Harry Reid (LAS) 3
Operates only on 2026-03-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:38, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA1971
14:52
Houston George Bush (IAH) C

16:30
Las Vegas Harry Reid (LAS) 3
Operates only on 2026-03-25
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:38, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1971
15:29
Houston George Bush (IAH) C

17:03
Las Vegas Harry Reid (LAS) 3
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:34, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1971
15:29
Houston George Bush (IAH) C

17:03
Las Vegas Harry Reid (LAS) 3
Valid until 2026-01-05
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:34, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1971
15:29
Houston George Bush (IAH) C

17:03
Las Vegas Harry Reid (LAS) 3
Valid until 2026-01-02
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:34, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1971
15:29
Houston George Bush (IAH) C

17:03
Las Vegas Harry Reid (LAS) 3
Operates only on 2026-01-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:34, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA1971
15:56
Houston George Bush (IAH) C

17:30
Las Vegas Harry Reid (LAS) 3
Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:34, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA1971
17:00
Las Vegas Harry Reid (LAS) 3

22:46
Chicago O'Hare (ORD) 1
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:46, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1971
17:05
Las Vegas Harry Reid (LAS) 3

22:53
Chicago O'Hare (ORD) 1
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:48, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1971
17:38
Las Vegas Harry Reid (LAS) 3

23:24
Chicago O'Hare (ORD) 1
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:46, non-stop
Boeing 737 MAX 9 (7M9)
Non-Direct Flights:
United Airlines UA1971
14:20
Houston George Bush (IAH) C

23:24
Chicago O'Hare (ORD) 1
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:04, 1-stop
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA1971
14:30
Houston George Bush (IAH) C

22:53
Chicago O'Hare (ORD) 1
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:23, 1-stop
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA1971
14:45
Houston George Bush (IAH) C

22:46
Chicago O'Hare (ORD) 1
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:01, 1-stop
Boeing 737-800 (738)
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  • UA 1971 is a domestic flight departing from the Houston George Bush airport (IAH) and arriving at Las Vegas Harry Reid airport (LAS).
  • The flight runs via Chicago O'Hare (ORD).
  • The flight distance is 1219 miles, or 1962 km.
  • The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-8 . 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.
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