United Airlines flight UA 5644: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 13:59 Louisville (SDF) 14:41 Chicago O'Hare (ORD) 2
UA 5644 Non-stop Canadair CRJ 550 (CR5) 1:42 Effective 2025-09-25 through 2025-10-25
Daily 18:25 San Francisco (SFO) 3 21:08 Boise (BOI)
UA 5644 Non-stop Embraer EMB 175 (E7W) 1:43 Effective from 2025-10-26
Daily 18:50 San Francisco (SFO) 3 21:39 Boise (BOI)
UA 5644 Non-stop Embraer EMB 175 (E7W) 1:49 Valid until 2025-05-21
Daily 19:03 San Francisco (SFO) 3 21:44 Boise (BOI)
UA 5644 Non-stop Canadair CRJ 700 (CR7) 1:41 Effective 2025-05-22 through 2025-06-25
Daily 20:48 San Francisco (SFO) 3 23:31 Boise (BOI)
UA 5644 Non-stop Embraer EMB 175 (E7W) 1:43 Effective 2025-06-26 through 2025-07-31
Daily 20:52 San Francisco (SFO) 3 23:35 Boise (BOI)
UA 5644 Non-stop Embraer EMB 175 (E7W) 1:43 Effective 2025-08-01 through 2025-08-18
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This flight number is listed as serving the following routes:
United Airlines flight UA 5644: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

United Airlines UA5644
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:42, non-stop
Canadair CRJ 550 (CR5)

United Airlines UA5644
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:43, non-stop
Embraer EMB 175 (E7W)

United Airlines UA5644
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:49, non-stop
Embraer EMB 175 (E7W)

United Airlines UA5644
Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:41, non-stop
Canadair CRJ 700 (CR7)

United Airlines UA5644
Effective 2025-06-26 through 2025-07-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:43, non-stop
Embraer EMB 175 (E7W)

United Airlines UA5644
Effective 2025-08-01 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:43, non-stop
Embraer EMB 175 (E7W)
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This flight number is listed as serving the following routes:
  • Louisville (SDF) - Chicago O'Hare (ORD)
  • San Francisco (SFO) - Boise (BOI)