United Airlines flight UA 5566: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 09:20 Chicago O'Hare (ORD) 2 10:37 Cedar Rapids (CID)
UA 5566 Non-stop Canadair CRJ 550 (CR5) 1:17 Effective 2025-09-25 through 2025-10-25
Daily 13:15 Los Angeles (LAX) 7 14:47 Sacramento (SMF) A
UA 5566 Non-stop Embraer EMB 175 (E7W) 1:32 Effective 2025-10-26 through 2025-12-01
Daily 13:15 Los Angeles (LAX) 7 14:47 Sacramento (SMF) A
UA 5566 Non-stop Embraer EMB 175 (E7W) 1:32 Effective 2025-12-18 through 2026-01-05
Daily 22:35 San Francisco (SFO) 3 23:28 Sacramento (SMF) A
UA 5566 Non-stop Embraer EMB 175 (E7W) 0:53 Effective 2025-12-02 through 2025-12-17
Daily 22:35 San Francisco (SFO) 3 23:28 Sacramento (SMF) A
UA 5566 Non-stop Embraer EMB 175 (E7W) 0:53 Effective from 2026-01-06
Daily 22:43 San Francisco (SFO) 3 23:44 Sacramento (SMF) A
UA 5566 Non-stop Canadair CRJ 700 (CR7) 1:01 Effective 2025-06-26 through 2025-07-03
Fri 22:43 San Francisco (SFO) 3 23:44 Sacramento (SMF) A
UA 5566 Non-stop Embraer EMB 175 (E7W) 1:01 Operates only on 2025-07-04
Daily 22:43 San Francisco (SFO) 3 23:44 Sacramento (SMF) A
UA 5566 Non-stop Canadair CRJ 700 (CR7) 1:01 Effective 2025-07-05 through 2025-08-18
Daily 22:46 San Francisco (SFO) 3 23:44 Sacramento (SMF) A
UA 5566 Non-stop Embraer EMB 175 (E7W) 0:58 Effective 2025-08-19 through 2025-09-24
Daily 22:58 San Francisco (SFO) 3 23:59 Sacramento (SMF) A
UA 5566 Non-stop Embraer EMB 175 (E7W) 1:01 Valid until 2025-05-20
Daily 22:58 San Francisco (SFO) 3 23:59 Sacramento (SMF) A
UA 5566 Non-stop Canadair CRJ 700 (CR7) 1:01 Effective 2025-05-21 through 2025-06-25
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This flight number is listed as serving the following routes:


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United Airlines flight UA 5566: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA5566
09:20
Chicago O'Hare (ORD) 2

10:37
Cedar Rapids (CID)
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:17, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA5566
13:15
Los Angeles (LAX) 7

14:47
Sacramento (SMF) A
Effective 2025-10-26 through 2025-12-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:32, non-stop
Embraer EMB 175 (E7W)
United Airlines UA5566
13:15
Los Angeles (LAX) 7

14:47
Sacramento (SMF) A
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:32, non-stop
Embraer EMB 175 (E7W)
United Airlines UA5566
22:35
San Francisco (SFO) 3

23:28
Sacramento (SMF) A
Effective 2025-12-02 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:53, non-stop
Embraer EMB 175 (E7W)
United Airlines UA5566
22:35
San Francisco (SFO) 3

23:28
Sacramento (SMF) A
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:53, non-stop
Embraer EMB 175 (E7W)
United Airlines UA5566
22:43
San Francisco (SFO) 3

23:44
Sacramento (SMF) A
Effective 2025-06-26 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:01, non-stop
Canadair CRJ 700 (CR7)
United Airlines UA5566
22:43
San Francisco (SFO) 3

23:44
Sacramento (SMF) A
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:01, non-stop
Embraer EMB 175 (E7W)
United Airlines UA5566
22:43
San Francisco (SFO) 3

23:44
Sacramento (SMF) A
Effective 2025-07-05 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:01, non-stop
Canadair CRJ 700 (CR7)
United Airlines UA5566
22:46
San Francisco (SFO) 3

23:44
Sacramento (SMF) A
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:58, non-stop
Embraer EMB 175 (E7W)
United Airlines UA5566
22:58
San Francisco (SFO) 3

23:59
Sacramento (SMF) A
Valid until 2025-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:01, non-stop
Embraer EMB 175 (E7W)
United Airlines UA5566
22:58
San Francisco (SFO) 3

23:59
Sacramento (SMF) A
Effective 2025-05-21 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:01, non-stop
Canadair CRJ 700 (CR7)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Cedar Rapids (CID)
  • Los Angeles (LAX) - Sacramento (SMF)
  • San Francisco (SFO) - Sacramento (SMF)
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