United Airlines flight UA 1791: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon 06:15 San Diego (SAN) 2 07:17 Los Angeles (LAX) 7
UA 1791 Non-stop Boeing 737-900 (739) 1:02 Effective 2026-01-12 through 2026-01-19
Sat 06:15 San Diego (SAN) 2 07:16 Los Angeles (LAX) 7
UA 1791 Non-stop Boeing 737-900 (739) 1:01 Effective 2026-01-17 through 2026-02-07
Mon,Sun 06:15 San Diego (SAN) 2 07:17 Los Angeles (LAX) 7
UA 1791 Non-stop Boeing 737-900 (739) 1:02 Effective 2026-01-25 through 2026-02-09
Thu 10:13 Los Angeles (LAX) 7 11:48 San Francisco (SFO) 3
UA 1791 Non-stop Boeing 737-900 (739) 1:35 Operates only on 2026-03-12
Daily 10:15 Los Angeles (LAX) 7 11:50 San Francisco (SFO) 3
UA 1791 Non-stop Boeing 737-800 (738) 1:35 Effective 2026-03-05 through 2026-03-11
Daily 10:15 Los Angeles (LAX) 7 11:50 San Francisco (SFO) 3
UA 1791 Non-stop Boeing 737-800 (738) 1:35 Effective 2026-03-13 through 2026-03-28
Daily 10:15 Los Angeles (LAX) 7 11:48 San Francisco (SFO) 3
UA 1791 Non-stop Boeing 737-900 (739) 1:33 Effective 2026-03-29 through 2026-05-20
Daily 10:15 Los Angeles (LAX) 7 11:48 San Francisco (SFO) 3
UA 1791 Non-stop Boeing 737-800 (738) 1:33 Effective from 2026-10-25
Mon-Sat 10:26 Los Angeles (LAX) 7 12:00 San Francisco (SFO) 3
UA 1791 Non-stop Boeing 737-800 (738) 1:34 Valid until 2026-01-03
Sun 10:26 Los Angeles (LAX) 7 12:00 San Francisco (SFO) 3
UA 1791 Non-stop Boeing 737-900 (739) 1:34 Operates only on 2026-01-04
Mon 10:26 Los Angeles (LAX) 7 12:00 San Francisco (SFO) 3
UA 1791 Non-stop Boeing 737 MAX 8 (7M8) 1:34 Operates only on 2026-01-05
Mon,Tue,Thu,Fri,Sun 10:26 Los Angeles (LAX) 7 12:00 San Francisco (SFO) 3
UA 1791 Non-stop Boeing 737-800 (738) 1:34 Effective 2026-01-06 through 2026-01-12
Tue,Wed 10:26 Los Angeles (LAX) 7 12:00 San Francisco (SFO) 3
UA 1791 Non-stop Airbus A319 (319) 1:34 Effective 2026-01-07 through 2026-01-14
Mon,Tue,Thu,Fri 10:26 Los Angeles (LAX) 7 12:00 San Francisco (SFO) 3
UA 1791 Non-stop Boeing 737-800 (738) 1:34 Effective 2026-01-15 through 2026-01-23
Wed,Sat,Sun 10:26 Los Angeles (LAX) 7 12:00 San Francisco (SFO) 3
UA 1791 Non-stop Airbus A319 (319) 1:34 Effective 2026-01-17 through 2026-01-24
Mon,Tue,Thu,Fri,Sun 10:26 Los Angeles (LAX) 7 12:00 San Francisco (SFO) 3
UA 1791 Non-stop Boeing 737-800 (738) 1:34 Effective 2026-01-25 through 2026-02-08
Wed,Sat 10:26 Los Angeles (LAX) 7 12:00 San Francisco (SFO) 3
UA 1791 Non-stop Airbus A319 (319) 1:34 Effective 2026-01-28 through 2026-02-07
Mon,Thu 10:26 Los Angeles (LAX) 7 12:00 San Francisco (SFO) 3
UA 1791 Non-stop Boeing 737 MAX 9 (7M9) 1:34 Effective 2026-02-09 through 2026-02-12
Mon,Tue,Sun 10:26 Los Angeles (LAX) 7 12:00 San Francisco (SFO) 3
UA 1791 Non-stop Boeing 737-800 (738) 1:34 Effective 2026-02-10 through 2026-02-16
Wed 10:26 Los Angeles (LAX) 7 12:00 San Francisco (SFO) 3
UA 1791 Non-stop Airbus A320 (320) 1:34 Operates only on 2026-02-11
Sat 10:26 Los Angeles (LAX) 7 12:00 San Francisco (SFO) 3
UA 1791 Non-stop Airbus A320 (320) 1:34 Effective 2026-02-14 through 2026-02-28
Tue 10:26 Los Angeles (LAX) 7 12:00 San Francisco (SFO) 3
UA 1791 Non-stop Boeing 737-900 (739) 1:34 Effective 2026-02-17 through 2026-03-03
Mon,Wed,Thu,Sun 10:26 Los Angeles (LAX) 7 12:00 San Francisco (SFO) 3
UA 1791 Non-stop Boeing 737-800 (738) 1:34 Effective 2026-02-18 through 2026-03-04
Fri 10:43 Los Angeles (LAX) 7 12:17 San Francisco (SFO) 3
UA 1791 Non-stop Boeing 737 MAX 8 (7M8) 1:34 Effective 2026-02-13 through 2026-02-27
Daily 10:55 Los Angeles (LAX) 7 12:30 San Francisco (SFO) 3
UA 1791 Non-stop Boeing 737-800 (738) 1:35 Effective 2026-05-21 through 2026-10-24
Daily 13:55 San Francisco (SFO) 3 22:17 Washington Dulles (IAD)
UA 1791 Non-stop Boeing 737-900 (739) 5:22 Effective 2026-04-30 through 2026-05-20
Daily 14:20 San Francisco (SFO) 3 22:43 Washington Dulles (IAD)
UA 1791 Non-stop Boeing 737-900 (739) 5:23 Effective 2026-03-29 through 2026-04-29
Daily 14:20 San Francisco (SFO) 3 22:43 Washington Dulles (IAD)
UA 1791 Non-stop Boeing 737-900 (739) 5:23 Effective from 2026-05-21
Non-Direct Flights:
Mon 06:15 San Diego (SAN) 2 12:00 San Francisco (SFO) 3
UA 1791 1-stop Boeing 737-900 (739) 5:45 Effective 2026-01-12 through 2026-01-19
Sat 06:15 San Diego (SAN) 2 12:00 San Francisco (SFO) 3
UA 1791 1-stop Boeing 737-900 (739) 5:45 Effective 2026-01-17 through 2026-02-07
Mon,Sun 06:15 San Diego (SAN) 2 12:00 San Francisco (SFO) 3
UA 1791 1-stop Boeing 737-900 (739) 5:45 Effective 2026-01-25 through 2026-02-09
Daily 10:15 Los Angeles (LAX) 7 22:43 Washington Dulles (IAD)
UA 1791 1-stop Boeing 737-900 (739) 9:28 Effective 2026-03-29 through 2026-04-29
Daily 10:15 Los Angeles (LAX) 7 22:17 Washington Dulles (IAD)
UA 1791 1-stop Boeing 737-900 (739) 9:02 Effective 2026-04-30 through 2026-05-20
Daily 10:15 Los Angeles (LAX) 7 22:43 Washington Dulles (IAD)
UA 1791 1-stop Boeing 737-800 (738) 9:28 Effective from 2026-10-25
Daily 10:55 Los Angeles (LAX) 7 22:43 Washington Dulles (IAD)
UA 1791 1-stop Boeing 737-800 (738) 8:48 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 1791: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA1791
06:15
San Diego (SAN) 2

07:17
Los Angeles (LAX) 7
Effective 2026-01-12 through 2026-01-19
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:02, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1791
06:15
San Diego (SAN) 2

07:16
Los Angeles (LAX) 7
Effective 2026-01-17 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:01, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1791
06:15
San Diego (SAN) 2

07:17
Los Angeles (LAX) 7
Effective 2026-01-25 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:02, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1791
10:13
Los Angeles (LAX) 7

11:48
San Francisco (SFO) 3
Operates only on 2026-03-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1791
10:15
Los Angeles (LAX) 7

11:50
San Francisco (SFO) 3
Effective 2026-03-05 through 2026-03-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:35, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1791
10:15
Los Angeles (LAX) 7

11:50
San Francisco (SFO) 3
Effective 2026-03-13 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:35, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1791
10:15
Los Angeles (LAX) 7

11:48
San Francisco (SFO) 3
Effective 2026-03-29 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:33, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1791
10:15
Los Angeles (LAX) 7

11:48
San Francisco (SFO) 3
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:33, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1791
10:26
Los Angeles (LAX) 7

12:00
San Francisco (SFO) 3
Valid until 2026-01-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 1:34, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1791
10:26
Los Angeles (LAX) 7

12:00
San Francisco (SFO) 3
Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:34, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1791
10:26
Los Angeles (LAX) 7

12:00
San Francisco (SFO) 3
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:34, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA1791
10:26
Los Angeles (LAX) 7

12:00
San Francisco (SFO) 3
Effective 2026-01-06 through 2026-01-12
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:34, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1791
10:26
Los Angeles (LAX) 7

12:00
San Francisco (SFO) 3
Effective 2026-01-07 through 2026-01-14
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:34, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1791
10:26
Los Angeles (LAX) 7

12:00
San Francisco (SFO) 3
Effective 2026-01-15 through 2026-01-23
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:34, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1791
10:26
Los Angeles (LAX) 7

12:00
San Francisco (SFO) 3
Effective 2026-01-17 through 2026-01-24
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
Duration: 1:34, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1791
10:26
Los Angeles (LAX) 7

12:00
San Francisco (SFO) 3
Effective 2026-01-25 through 2026-02-08
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:34, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1791
10:26
Los Angeles (LAX) 7

12:00
San Francisco (SFO) 3
Effective 2026-01-28 through 2026-02-07
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:34, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1791
10:26
Los Angeles (LAX) 7

12:00
San Francisco (SFO) 3
Effective 2026-02-09 through 2026-02-12
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:34, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1791
10:26
Los Angeles (LAX) 7

12:00
San Francisco (SFO) 3
Effective 2026-02-10 through 2026-02-16
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:34, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1791
10:26
Los Angeles (LAX) 7

12:00
San Francisco (SFO) 3
Operates only on 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:34, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA1791
10:26
Los Angeles (LAX) 7

12:00
San Francisco (SFO) 3
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:34, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA1791
10:26
Los Angeles (LAX) 7

12:00
San Francisco (SFO) 3
Effective 2026-02-17 through 2026-03-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:34, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1791
10:26
Los Angeles (LAX) 7

12:00
San Francisco (SFO) 3
Effective 2026-02-18 through 2026-03-04
Mon
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 1:34, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1791
10:43
Los Angeles (LAX) 7

12:17
San Francisco (SFO) 3
Effective 2026-02-13 through 2026-02-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:34, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA1791
10:55
Los Angeles (LAX) 7

12:30
San Francisco (SFO) 3
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:35, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1791
13:55
San Francisco (SFO) 3

22:17
Washington Dulles (IAD)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:22, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1791
14:20
San Francisco (SFO) 3

22:43
Washington Dulles (IAD)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:23, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1791
14:20
San Francisco (SFO) 3

22:43
Washington Dulles (IAD)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:23, non-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA1791
06:15
San Diego (SAN) 2

12:00
San Francisco (SFO) 3
Effective 2026-01-12 through 2026-01-19
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:45, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA1791
06:15
San Diego (SAN) 2

12:00
San Francisco (SFO) 3
Effective 2026-01-17 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:45, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA1791
06:15
San Diego (SAN) 2

12:00
San Francisco (SFO) 3
Effective 2026-01-25 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:45, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA1791
10:15
Los Angeles (LAX) 7

22:43
Washington Dulles (IAD)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:28, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA1791
10:15
Los Angeles (LAX) 7

22:17
Washington Dulles (IAD)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:02, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA1791
10:15
Los Angeles (LAX) 7

22:43
Washington Dulles (IAD)
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:28, 1-stop
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA1791
10:55
Los Angeles (LAX) 7

22:43
Washington Dulles (IAD)
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:48, 1-stop
Boeing 737-800 (738)
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Parallax here -
This flight number is listed as serving the following routes:
  • Los Angeles (LAX) - San Francisco (SFO)
  • Los Angeles (LAX) - Washington Dulles (IAD)
  • San Diego (SAN) - Los Angeles (LAX)
  • San Diego (SAN) - San Francisco (SFO)
  • San Francisco (SFO) - Washington Dulles (IAD)
All United Airlines flights
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