United Airlines flight UA 1591: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu 06:00 Newark Liberty, New York (EWR) A 08:45 Las Vegas Harry Reid (LAS) 3
UA 1591 Non-stop Boeing 737 MAX 9 (7M9) 5:45 Effective 2026-01-08 through 2026-01-12
Thu,Fri 06:00 Newark Liberty, New York (EWR) A 08:45 Las Vegas Harry Reid (LAS) 3
UA 1591 Non-stop Boeing 737-900 (739) 5:45 Effective 2026-01-09 through 2026-01-16
Sun 06:00 Newark Liberty, New York (EWR) A 08:45 Las Vegas Harry Reid (LAS) 3
UA 1591 Non-stop Boeing 737 MAX 8 (7M8) 5:45 Effective 2026-01-11 through 2026-02-08
Mon,Thu 06:00 Newark Liberty, New York (EWR) A 08:45 Las Vegas Harry Reid (LAS) 3
UA 1591 Non-stop Boeing 737 MAX 9 (7M9) 5:45 Effective 2026-01-19 through 2026-02-09
Fri 06:00 Newark Liberty, New York (EWR) A 08:45 Las Vegas Harry Reid (LAS) 3
UA 1591 Non-stop Boeing 737-900 (739) 5:45 Effective 2026-01-23 through 2026-02-06
Sat 06:30 Norfolk (ORF) 08:05 Chicago O'Hare (ORD) 1
UA 1591 Non-stop Airbus A319 (319) 2:35 Valid until 2026-01-03
Daily 08:37 Baltimore (BWI) 11:39 Los Angeles (LAX) 7
UA 1591 Non-stop Boeing 737 MAX 8 (7M8) 6:02 Effective 2026-05-21 through 2026-10-24
Mon-Fri,Sun 10:43 Las Vegas Harry Reid (LAS) 3 12:04 Los Angeles (LAX) 7
UA 1591 Non-stop Boeing 737 MAX 8 (7M8) 1:21 Valid until 2026-01-05
Mon-Fri,Sun 10:44 Las Vegas Harry Reid (LAS) 3 12:05 Los Angeles (LAX) 7
UA 1591 Non-stop Boeing 737-900 (739) 1:21 Effective 2026-01-06 through 2026-02-11
Sat 10:45 Las Vegas Harry Reid (LAS) 3 12:05 Los Angeles (LAX) 7
UA 1591 Non-stop Boeing 737-900 (739) 1:20 Effective 2026-01-10 through 2026-02-07
Mon-Fri 13:10 Los Angeles (LAX) 7 18:28 Houston George Bush (IAH) C
UA 1591 Non-stop Boeing 737 MAX 9 (7M9) 3:18 Effective 2026-02-12 through 2026-03-04
Sun 13:10 Los Angeles (LAX) 7 18:28 Houston George Bush (IAH) C
UA 1591 Non-stop Boeing 737-900 (739) 3:18 Effective 2026-02-15 through 2026-03-01
Daily 13:10 Los Angeles (LAX) 7 18:29 Houston George Bush (IAH) C
UA 1591 Non-stop Boeing 757-200 (752) 3:19 Effective 2026-03-05 through 2026-03-28
Daily 13:10 Los Angeles (LAX) 7 18:31 Houston George Bush (IAH) C
UA 1591 Non-stop Boeing 737 MAX 9 (7M9) 3:21 Effective 2026-03-29 through 2026-04-29
Daily 13:10 Los Angeles (LAX) 7 18:25 Houston George Bush (IAH) C
UA 1591 Non-stop Boeing 737-900 (739) 3:15 Effective from 2026-05-21
Daily 13:15 Los Angeles (LAX) 7 18:36 Houston George Bush (IAH) C
UA 1591 Non-stop Boeing 737 MAX 9 (7M9) 3:21 Effective 2026-04-30 through 2026-05-20
Sat 13:50 Los Angeles (LAX) 7 19:08 Houston George Bush (IAH) C
UA 1591 Non-stop Boeing 737-900 (739) 3:18 Effective 2026-02-14 through 2026-02-28
Daily 20:07 Houston George Bush (IAH) C 23:13 Atlanta (ATL) N
UA 1591 Non-stop Boeing 737 MAX 9 (7M9) 2:06 Effective 2026-04-30 through 2026-05-20
Wed-Fri 20:09 Houston George Bush (IAH) C 23:15 Atlanta (ATL) N
UA 1591 Non-stop Airbus A319 (319) 2:06 Effective 2026-02-12 through 2026-03-04
Mon,Sun 20:09 Houston George Bush (IAH) C 23:14 Atlanta (ATL) N
UA 1591 Non-stop Boeing 737-900 (739) 2:05 Effective 2026-02-15 through 2026-03-02
Daily 20:10 Houston George Bush (IAH) C 23:19 Atlanta (ATL) N
UA 1591 Non-stop Airbus A319 (319) 2:09 Effective 2026-03-29 through 2026-04-29
Daily 20:10 Houston George Bush (IAH) C 23:19 Atlanta (ATL) N
UA 1591 Non-stop Airbus A319 (319) 2:09 Effective from 2026-05-21
Non-Direct Flights:
Mon,Thu 06:00 Newark Liberty, New York (EWR) A 12:05 Los Angeles (LAX) 7
UA 1591 1-stop Boeing 737 MAX 9 (7M9) 9:05 Effective 2026-01-08 through 2026-01-12
Thu,Fri 06:00 Newark Liberty, New York (EWR) A 12:05 Los Angeles (LAX) 7
UA 1591 1-stop Boeing 737-900 (739) 9:05 Effective 2026-01-09 through 2026-01-16
Sun 06:00 Newark Liberty, New York (EWR) A 12:05 Los Angeles (LAX) 7
UA 1591 1-stop Boeing 737 MAX 8 (7M8) 9:05 Effective 2026-01-11 through 2026-02-08
Mon,Thu 06:00 Newark Liberty, New York (EWR) A 12:05 Los Angeles (LAX) 7
UA 1591 1-stop Boeing 737 MAX 9 (7M9) 9:05 Effective 2026-01-19 through 2026-02-09
Fri 06:00 Newark Liberty, New York (EWR) A 12:05 Los Angeles (LAX) 7
UA 1591 1-stop Boeing 737-900 (739) 9:05 Effective 2026-01-23 through 2026-02-06
Daily 08:37 Baltimore (BWI) 18:25 Houston George Bush (IAH) C
UA 1591 1-stop Boeing 737 MAX 8 (7M8) 10:48 Effective 2026-05-21 through 2026-10-24
Wed-Fri 13:10 Los Angeles (LAX) 7 23:15 Atlanta (ATL) N
UA 1591 1-stop Boeing 737 MAX 9 (7M9) 7:05 Effective 2026-02-12 through 2026-03-04
Sun 13:10 Los Angeles (LAX) 7 23:14 Atlanta (ATL) N
UA 1591 1-stop Boeing 737-900 (739) 7:04 Effective 2026-02-15 through 2026-03-01
Mon 13:10 Los Angeles (LAX) 7 23:14 Atlanta (ATL) N
UA 1591 1-stop Boeing 737 MAX 9 (7M9) 7:04 Effective 2026-02-16 through 2026-03-02
Daily 13:10 Los Angeles (LAX) 7 23:19 Atlanta (ATL) N
UA 1591 1-stop Boeing 737 MAX 9 (7M9) 7:09 Effective 2026-03-29 through 2026-04-29
Daily 13:10 Los Angeles (LAX) 7 23:19 Atlanta (ATL) N
UA 1591 1-stop Boeing 737-900 (739) 7:09 Effective from 2026-05-21
Daily 13:15 Los Angeles (LAX) 7 23:13 Atlanta (ATL) N
UA 1591 1-stop Boeing 737 MAX 9 (7M9) 6:58 Effective 2026-04-30 through 2026-05-20
Daily 08:37 Baltimore (BWI) 23:19 Atlanta (ATL) N
UA 1591 2-stop Boeing 737 MAX 8 (7M8) 14:42 Effective 2026-05-21 through 2026-10-24
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This flight number is listed as serving the following routes:


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United Airlines flight UA 1591: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA1591
06:00
Newark Liberty, New York (EWR) A

08:45
Las Vegas Harry Reid (LAS) 3
Effective 2026-01-08 through 2026-01-12
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:45, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1591
06:00
Newark Liberty, New York (EWR) A

08:45
Las Vegas Harry Reid (LAS) 3
Effective 2026-01-09 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:45, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1591
06:00
Newark Liberty, New York (EWR) A

08:45
Las Vegas Harry Reid (LAS) 3
Effective 2026-01-11 through 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:45, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA1591
06:00
Newark Liberty, New York (EWR) A

08:45
Las Vegas Harry Reid (LAS) 3
Effective 2026-01-19 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:45, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1591
06:00
Newark Liberty, New York (EWR) A

08:45
Las Vegas Harry Reid (LAS) 3
Effective 2026-01-23 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 5:45, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1591
06:30
Norfolk (ORF)

08:05
Chicago O'Hare (ORD) 1
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:35, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1591
08:37
Baltimore (BWI)

11:39
Los Angeles (LAX) 7
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:02, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA1591
10:43
Las Vegas Harry Reid (LAS) 3

12:04
Los Angeles (LAX) 7
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:21, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA1591
10:44
Las Vegas Harry Reid (LAS) 3

12:05
Los Angeles (LAX) 7
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:21, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1591
10:45
Las Vegas Harry Reid (LAS) 3

12:05
Los Angeles (LAX) 7
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:20, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1591
13:10
Los Angeles (LAX) 7

18:28
Houston George Bush (IAH) C
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:18, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1591
13:10
Los Angeles (LAX) 7

18:28
Houston George Bush (IAH) C
Effective 2026-02-15 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:18, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1591
13:10
Los Angeles (LAX) 7

18:29
Houston George Bush (IAH) C
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:19, non-stop
Boeing 757-200 (752)
Direct Flights:
United Airlines UA1591
13:10
Los Angeles (LAX) 7

18:31
Houston George Bush (IAH) C
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:21, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1591
13:10
Los Angeles (LAX) 7

18:25
Houston George Bush (IAH) C
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:15, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1591
13:15
Los Angeles (LAX) 7

18:36
Houston George Bush (IAH) C
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:21, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1591
13:50
Los Angeles (LAX) 7

19:08
Houston George Bush (IAH) C
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:18, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1591
20:07
Houston George Bush (IAH) C

23:13
Atlanta (ATL) N
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:06, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1591
20:09
Houston George Bush (IAH) C

23:15
Atlanta (ATL) N
Effective 2026-02-12 through 2026-03-04
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:06, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1591
20:09
Houston George Bush (IAH) C

23:14
Atlanta (ATL) N
Effective 2026-02-15 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1591
20:10
Houston George Bush (IAH) C

23:19
Atlanta (ATL) N
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:09, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1591
20:10
Houston George Bush (IAH) C

23:19
Atlanta (ATL) N
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:09, non-stop
Airbus A319 (319)
Non-Direct Flights:
United Airlines UA1591
06:00
Newark Liberty, New York (EWR) A

12:05
Los Angeles (LAX) 7
Effective 2026-01-08 through 2026-01-12
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 9:05, 1-stop
Boeing 737 MAX 9 (7M9)
Non-Direct Flights:
United Airlines UA1591
06:00
Newark Liberty, New York (EWR) A

12:05
Los Angeles (LAX) 7
Effective 2026-01-09 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 9:05, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA1591
06:00
Newark Liberty, New York (EWR) A

12:05
Los Angeles (LAX) 7
Effective 2026-01-11 through 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 9:05, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
United Airlines UA1591
06:00
Newark Liberty, New York (EWR) A

12:05
Los Angeles (LAX) 7
Effective 2026-01-19 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 9:05, 1-stop
Boeing 737 MAX 9 (7M9)
Non-Direct Flights:
United Airlines UA1591
06:00
Newark Liberty, New York (EWR) A

12:05
Los Angeles (LAX) 7
Effective 2026-01-23 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 9:05, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA1591
08:37
Baltimore (BWI)

18:25
Houston George Bush (IAH) C
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:48, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
United Airlines UA1591
13:10
Los Angeles (LAX) 7

23:15
Atlanta (ATL) N
Effective 2026-02-12 through 2026-03-04
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 7:05, 1-stop
Boeing 737 MAX 9 (7M9)
Non-Direct Flights:
United Airlines UA1591
13:10
Los Angeles (LAX) 7

23:14
Atlanta (ATL) N
Effective 2026-02-15 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 7:04, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA1591
13:10
Los Angeles (LAX) 7

23:14
Atlanta (ATL) N
Effective 2026-02-16 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 7:04, 1-stop
Boeing 737 MAX 9 (7M9)
Non-Direct Flights:
United Airlines UA1591
13:10
Los Angeles (LAX) 7

23:19
Atlanta (ATL) N
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:09, 1-stop
Boeing 737 MAX 9 (7M9)
Non-Direct Flights:
United Airlines UA1591
13:10
Los Angeles (LAX) 7

23:19
Atlanta (ATL) N
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:09, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA1591
13:15
Los Angeles (LAX) 7

23:13
Atlanta (ATL) N
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:58, 1-stop
Boeing 737 MAX 9 (7M9)
Non-Direct Flights:
United Airlines UA1591
08:37
Baltimore (BWI)

23:19
Atlanta (ATL) N
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 14:42, 2-stop
Boeing 737 MAX 8 (7M8)
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Parallax here
This flight number is listed as serving the following routes:
  • Baltimore (BWI) - Atlanta (ATL)
  • Baltimore (BWI) - Houston George Bush (IAH)
  • Baltimore (BWI) - Los Angeles (LAX)
  • Houston George Bush (IAH) - Atlanta (ATL)
  • Las Vegas Harry Reid (LAS) - Los Angeles (LAX)
  • Los Angeles (LAX) - Atlanta (ATL)
  • Los Angeles (LAX) - Houston George Bush (IAH)
  • Newark Liberty, New York (EWR) - Las Vegas Harry Reid (LAS)
  • Newark Liberty, New York (EWR) - Los Angeles (LAX)
  • Norfolk (ORF) - Chicago O'Hare (ORD)
All United Airlines flights
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