United Airlines フライト UA 1231: Multiple routes

搭乗日を選択
フライト時刻表
直行便：
月,火,金,土 00:30 Las Vegas Harry Reid (LAS) 3 06:08 Chicago O'Hare (ORD) 1
UA 1231 Non-stop Boeing 737-900 (739) 3:38 Effective 2026-01-06 through 2026-01-17
日 00:30 Las Vegas Harry Reid (LAS) 3 06:09 Chicago O'Hare (ORD) 1
UA 1231 Non-stop Airbus A321neo (32Q) 3:39 Effective 2026-01-11 through 2026-02-08
月,火,金,土 00:30 Las Vegas Harry Reid (LAS) 3 06:08 Chicago O'Hare (ORD) 1
UA 1231 Non-stop Boeing 737-900 (739) 3:38 Effective 2026-01-20 through 2026-02-10
日々 00:30 Las Vegas Harry Reid (LAS) 3 06:08 Chicago O'Hare (ORD) 1
UA 1231 Non-stop Boeing 737-900 (739) 3:38 Effective 2026-05-21 through 2026-10-24
日々 07:30 Chicago O'Hare (ORD) 1 10:37 Houston George Bush (IAH) C
UA 1231 Non-stop Airbus A321neo (32Q) 3:07 Effective 2026-04-30 through 2026-05-20
月-水,金-日 07:35 Chicago O'Hare (ORD) 1 10:40 Houston George Bush (IAH) C
UA 1231 Non-stop Airbus A321neo (32Q) 3:05 Valid until 2026-01-05
日々 07:35 Chicago O'Hare (ORD) 1 10:38 Houston George Bush (IAH) C
UA 1231 Non-stop Airbus A321neo (32Q) 3:03 Effective 2026-02-12 through 2026-03-28
日々 07:35 Chicago O'Hare (ORD) 1 10:42 Houston George Bush (IAH) C
UA 1231 Non-stop Airbus A321neo (32Q) 3:07 Effective 2026-03-29 through 2026-04-29
月,木,土,日 07:40 Chicago O'Hare (ORD) 1 11:14 Jacksonville (JAX)
UA 1231 Non-stop Airbus A319 (319) 2:34 Effective 2026-01-08 through 2026-01-15
月,木-日 07:40 Chicago O'Hare (ORD) 1 11:14 Jacksonville (JAX)
UA 1231 Non-stop Airbus A319 (319) 2:34 Effective 2026-01-16 through 2026-02-06
土 07:40 Chicago O'Hare (ORD) 1 11:13 Jacksonville (JAX)
UA 1231 Non-stop Boeing 737-800 (738) 2:33 Operates only on 2026-02-07
日 07:40 Chicago O'Hare (ORD) 1 11:14 Jacksonville (JAX)
UA 1231 Non-stop Airbus A319 (319) 2:34 Operates only on 2026-02-08
日々 07:45 Chicago O'Hare (ORD) 1 10:33 Houston George Bush (IAH) C
UA 1231 Non-stop Boeing 737-900 (739) 2:48 Effective from 2026-05-21
水 09:10 San Francisco (SFO) 3 12:41 Albuquerque (ABQ)
UA 1231 Non-stop Airbus A319 (319) 2:31 Operates only on 2026-02-04
水 09:23 San Francisco (SFO) 3 12:51 Albuquerque (ABQ)
UA 1231 Non-stop Airbus A319 (319) 2:28 Operates only on 2026-02-11
日々 12:00 Houston George Bush (IAH) C 14:14 Vail/Eagle (EGE)
UA 1231 Non-stop Boeing 737-700 (73G) 3:14 Valid until 2026-01-05
月,水-日 12:02 Houston George Bush (IAH) C 14:15 Vail/Eagle (EGE)
UA 1231 Non-stop Boeing 737-700 (73G) 3:13 Effective 2026-02-12 through 2026-03-04
乗継便：
月,金,土 00:30 Las Vegas Harry Reid (LAS) 3 11:14 Jacksonville (JAX)
UA 1231 1-stop Boeing 737-900 (739) 7:44 Effective 2026-01-10 through 2026-01-17
日 00:30 Las Vegas Harry Reid (LAS) 3 11:14 Jacksonville (JAX)
UA 1231 1-stop Airbus A321neo (32Q) 7:44 Effective 2026-01-11 through 2026-02-08
月,金,土 00:30 Las Vegas Harry Reid (LAS) 3 11:14 Jacksonville (JAX)
UA 1231 1-stop Boeing 737-900 (739) 7:44 Effective 2026-01-23 through 2026-02-06
土 00:30 Las Vegas Harry Reid (LAS) 3 11:13 Jacksonville (JAX)
UA 1231 1-stop Boeing 737-900 (739) 7:43 Operates only on 2026-02-07
日々 00:30 Las Vegas Harry Reid (LAS) 3 10:33 Houston George Bush (IAH) C
UA 1231 1-stop Boeing 737-900 (739) 8:03 Effective 2026-05-21 through 2026-10-24
月-水,金-日 07:35 Chicago O'Hare (ORD) 1 14:14 Vail/Eagle (EGE)
UA 1231 1-stop Airbus A321neo (32Q) 7:39 Valid until 2026-01-05
月,水-日 07:35 Chicago O'Hare (ORD) 1 14:15 Vail/Eagle (EGE)
UA 1231 1-stop Airbus A321neo (32Q) 7:40 Effective 2026-02-12 through 2026-03-04
This flight number is listed as serving the following routes:


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United Airlines フライト UA 1231: Multiple routes
搭乗日を選択
フライト時刻表
直行便：
United Airlines UA1231
00:30
Las Vegas Harry Reid (LAS) 3

06:08
Chicago O'Hare (ORD) 1
Effective 2026-01-06 through 2026-01-17
月
火
水
-
木
-
金
土
日
-
Duration: 3:38, non-stop
Boeing 737-900 (739)
直行便：
United Airlines UA1231
00:30
Las Vegas Harry Reid (LAS) 3

06:09
Chicago O'Hare (ORD) 1
Effective 2026-01-11 through 2026-02-08
月
-
火
-
水
-
木
-
金
-
土
-
日
Duration: 3:39, non-stop
Airbus A321neo (32Q)
直行便：
United Airlines UA1231
00:30
Las Vegas Harry Reid (LAS) 3

06:08
Chicago O'Hare (ORD) 1
Effective 2026-01-20 through 2026-02-10
月
火
水
-
木
-
金
土
日
-
Duration: 3:38, non-stop
Boeing 737-900 (739)
直行便：
United Airlines UA1231
00:30
Las Vegas Harry Reid (LAS) 3

06:08
Chicago O'Hare (ORD) 1
Effective 2026-05-21 through 2026-10-24
月
火
水
木
金
土
日
Duration: 3:38, non-stop
Boeing 737-900 (739)
直行便：
United Airlines UA1231
07:30
Chicago O'Hare (ORD) 1

10:37
Houston George Bush (IAH) C
Effective 2026-04-30 through 2026-05-20
月
火
水
木
金
土
日
Duration: 3:07, non-stop
Airbus A321neo (32Q)
直行便：
United Airlines UA1231
07:35
Chicago O'Hare (ORD) 1

10:40
Houston George Bush (IAH) C
Valid until 2026-01-05
月
火
水
木
-
金
土
日
Duration: 3:05, non-stop
Airbus A321neo (32Q)
直行便：
United Airlines UA1231
07:35
Chicago O'Hare (ORD) 1

10:38
Houston George Bush (IAH) C
Effective 2026-02-12 through 2026-03-28
月
火
水
木
金
土
日
Duration: 3:03, non-stop
Airbus A321neo (32Q)
直行便：
United Airlines UA1231
07:35
Chicago O'Hare (ORD) 1

10:42
Houston George Bush (IAH) C
Effective 2026-03-29 through 2026-04-29
月
火
水
木
金
土
日
Duration: 3:07, non-stop
Airbus A321neo (32Q)
直行便：
United Airlines UA1231
07:40
Chicago O'Hare (ORD) 1

11:14
Jacksonville (JAX)
Effective 2026-01-08 through 2026-01-15
月
火
-
水
-
木
金
-
土
日
Duration: 2:34, non-stop
Airbus A319 (319)
直行便：
United Airlines UA1231
07:40
Chicago O'Hare (ORD) 1

11:14
Jacksonville (JAX)
Effective 2026-01-16 through 2026-02-06
月
火
-
水
-
木
金
土
日
Duration: 2:34, non-stop
Airbus A319 (319)
直行便：
United Airlines UA1231
07:40
Chicago O'Hare (ORD) 1

11:13
Jacksonville (JAX)
Operates only on 2026-02-07
月
-
火
-
水
-
木
-
金
-
土
日
-
Duration: 2:33, non-stop
Boeing 737-800 (738)
直行便：
United Airlines UA1231
07:40
Chicago O'Hare (ORD) 1

11:14
Jacksonville (JAX)
Operates only on 2026-02-08
月
-
火
-
水
-
木
-
金
-
土
-
日
Duration: 2:34, non-stop
Airbus A319 (319)
直行便：
United Airlines UA1231
07:45
Chicago O'Hare (ORD) 1

10:33
Houston George Bush (IAH) C
Effective from 2026-05-21
月
火
水
木
金
土
日
Duration: 2:48, non-stop
Boeing 737-900 (739)
直行便：
United Airlines UA1231
09:10
San Francisco (SFO) 3

12:41
Albuquerque (ABQ)
Operates only on 2026-02-04
月
-
火
-
水
木
-
金
-
土
-
日
-
Duration: 2:31, non-stop
Airbus A319 (319)
直行便：
United Airlines UA1231
09:23
San Francisco (SFO) 3

12:51
Albuquerque (ABQ)
Operates only on 2026-02-11
月
-
火
-
水
木
-
金
-
土
-
日
-
Duration: 2:28, non-stop
Airbus A319 (319)
直行便：
United Airlines UA1231
12:00
Houston George Bush (IAH) C

14:14
Vail/Eagle (EGE)
Valid until 2026-01-05
月
火
水
木
金
土
日
Duration: 3:14, non-stop
Boeing 737-700 (73G)
直行便：
United Airlines UA1231
12:02
Houston George Bush (IAH) C

14:15
Vail/Eagle (EGE)
Effective 2026-02-12 through 2026-03-04
月
火
-
水
木
金
土
日
Duration: 3:13, non-stop
Boeing 737-700 (73G)
乗継便：
United Airlines UA1231
00:30
Las Vegas Harry Reid (LAS) 3

11:14
Jacksonville (JAX)
Effective 2026-01-10 through 2026-01-17
月
火
-
水
-
木
-
金
土
日
-
Duration: 7:44, 1-stop
Boeing 737-900 (739)
乗継便：
United Airlines UA1231
00:30
Las Vegas Harry Reid (LAS) 3

11:14
Jacksonville (JAX)
Effective 2026-01-11 through 2026-02-08
月
-
火
-
水
-
木
-
金
-
土
-
日
Duration: 7:44, 1-stop
Airbus A321neo (32Q)
乗継便：
United Airlines UA1231
00:30
Las Vegas Harry Reid (LAS) 3

11:14
Jacksonville (JAX)
Effective 2026-01-23 through 2026-02-06
月
火
-
水
-
木
-
金
土
日
-
Duration: 7:44, 1-stop
Boeing 737-900 (739)
乗継便：
United Airlines UA1231
00:30
Las Vegas Harry Reid (LAS) 3

11:13
Jacksonville (JAX)
Operates only on 2026-02-07
月
-
火
-
水
-
木
-
金
-
土
日
-
Duration: 7:43, 1-stop
Boeing 737-900 (739)
乗継便：
United Airlines UA1231
00:30
Las Vegas Harry Reid (LAS) 3

10:33
Houston George Bush (IAH) C
Effective 2026-05-21 through 2026-10-24
月
火
水
木
金
土
日
Duration: 8:03, 1-stop
Boeing 737-900 (739)
乗継便：
United Airlines UA1231
07:35
Chicago O'Hare (ORD) 1

14:14
Vail/Eagle (EGE)
Valid until 2026-01-05
月
火
水
木
-
金
土
日
Duration: 7:39, 1-stop
Airbus A321neo (32Q)
乗継便：
United Airlines UA1231
07:35
Chicago O'Hare (ORD) 1

14:15
Vail/Eagle (EGE)
Effective 2026-02-12 through 2026-03-04
月
火
-
水
木
金
土
日
Duration: 7:40, 1-stop
Airbus A321neo (32Q)
This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Houston George Bush (IAH)
  • Chicago O'Hare (ORD) - Jacksonville (JAX)
  • Chicago O'Hare (ORD) - Vail/Eagle (EGE)
  • Houston George Bush (IAH) - Vail/Eagle (EGE)
  • Las Vegas Harry Reid (LAS) - Chicago O'Hare (ORD)
  • Las Vegas Harry Reid (LAS) - Houston George Bush (IAH)
  • Las Vegas Harry Reid (LAS) - Jacksonville (JAX)
  • San Francisco (SFO) - Albuquerque (ABQ)
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