United Airlines flight UA 5840: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 14:25 Sacramento (SMF) A 15:35 San Francisco (SFO) 3
UA 5840 Non-stop Canadair CRJ (CRJ) 1:10 Effective 2026-01-06 through 2026-02-11
Daily 16:35 Oklahoma City (OKC) 18:52 Chicago O'Hare (ORD) 2
UA 5840 Non-stop Embraer EMB 175 (E7W) 2:17 Effective 2026-03-29 through 2026-04-29
Daily 16:35 Oklahoma City (OKC) 18:52 Chicago O'Hare (ORD) 2
UA 5840 Non-stop Embraer EMB 175 (E7W) 2:17 Effective from 2026-05-21
Daily 16:41 Sacramento (SMF) A 17:50 San Francisco (SFO) 3
UA 5840 Non-stop Canadair CRJ (CRJ) 1:09 Effective 2026-02-12 through 2026-03-04
Daily 17:40 Oklahoma City (OKC) 19:59 Chicago O'Hare (ORD) 2
UA 5840 Non-stop Embraer EMB 175 (E7W) 2:19 Effective 2026-04-30 through 2026-05-20
Mon,Tue,Fri-Sun 20:08 Chicago O'Hare (ORD) 2 22:30 Spokane (GEG)
UA 5840 Non-stop Embraer EMB 175 (E7W) 4:22 Valid until 2026-01-05
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This flight number is listed as serving the following routes:


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United Airlines flight UA 5840: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA5840
14:25
Sacramento (SMF) A

15:35
San Francisco (SFO) 3
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:10, non-stop
Canadair CRJ (CRJ)
Direct Flights:
United Airlines UA5840
16:35
Oklahoma City (OKC)

18:52
Chicago O'Hare (ORD) 2
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:17, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5840
16:35
Oklahoma City (OKC)

18:52
Chicago O'Hare (ORD) 2
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:17, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5840
16:41
Sacramento (SMF) A

17:50
San Francisco (SFO) 3
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:09, non-stop
Canadair CRJ (CRJ)
Direct Flights:
United Airlines UA5840
17:40
Oklahoma City (OKC)

19:59
Chicago O'Hare (ORD) 2
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:19, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5840
20:08
Chicago O'Hare (ORD) 2

22:30
Spokane (GEG)
Valid until 2026-01-05
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Duration: 4:22, non-stop
Embraer EMB 175 (E7W)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Spokane (GEG)
  • Oklahoma City (OKC) - Chicago O'Hare (ORD)
  • Sacramento (SMF) - San Francisco (SFO)
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