United Airlines flight UA 5991: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 06:12 San Antonio (SAT) B 08:25 San Francisco (SFO) 3
UA 5991 Non-stop Embraer EMB 175 (E7W) 4:13 Effective 2026-04-30 through 2026-05-20
Mon-Fri,Sun 08:40 San Francisco (SFO) 3 10:23 Santa Ana (SNA)
UA 5991 Non-stop Canadair CRJ 700 (CR7) 1:43 Valid until 2026-01-05
Mon,Tue,Sun 17:45 Chicago O'Hare (ORD) 2 20:42 Syracuse (SYR)
UA 5991 Non-stop Embraer EMB 175 (E7W) 1:57 Effective 2026-03-08 through 2026-03-24
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This flight number is listed as serving the following routes:


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United Airlines flight UA 5991: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA5991
06:12
San Antonio (SAT) B

08:25
San Francisco (SFO) 3
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:13, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5991
08:40
San Francisco (SFO) 3

10:23
Santa Ana (SNA)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:43, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
United Airlines UA5991
17:45
Chicago O'Hare (ORD) 2

20:42
Syracuse (SYR)
Effective 2026-03-08 through 2026-03-24
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:57, non-stop
Embraer EMB 175 (E7W)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Syracuse (SYR)
  • San Antonio (SAT) - San Francisco (SFO)
  • San Francisco (SFO) - Santa Ana (SNA)
All United Airlines flights
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