United Airlines flight UA 4657: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 06:00 Albuquerque (ABQ) 07:43 San Francisco (SFO) 3
UA 4657 Non-stop Embraer EMB 175 (E7W) 2:43 Effective 2025-08-19 through 2025-09-24
Daily 07:00 Albuquerque (ABQ) 08:43 San Francisco (SFO) 3
UA 4657 Non-stop Embraer EMB 175 (E7W) 2:43 Effective 2025-09-25 through 2025-10-25
Sun 07:15 Chicago O'Hare (ORD) 2 10:14 Harrisburg (MDT)
UA 4657 Non-stop Canadair CRJ 550 (CR5) 1:59 Effective 2025-05-25 through 2025-06-01
Sat,Sun 07:15 Chicago O'Hare (ORD) 2 10:14 Harrisburg (MDT)
UA 4657 Non-stop Canadair CRJ 550 (CR5) 1:59 Effective 2025-06-07 through 2025-06-22
Mon-Fri 10:34 Burbank (BUR) 12:02 San Francisco (SFO) 3
UA 4657 Non-stop Canadair CRJ 700 (CR7) 1:28 Effective 2025-05-22 through 2025-06-25
Mon-Fri 10:40 Burbank (BUR) 12:09 San Francisco (SFO) 3
UA 4657 Non-stop Canadair CRJ 700 (CR7) 1:29 Effective 2025-08-01 through 2025-08-18
Mon-Fri 10:48 Burbank (BUR) 12:17 San Francisco (SFO) 3
UA 4657 Non-stop Canadair CRJ 700 (CR7) 1:29 Effective 2025-06-26 through 2025-07-31
Sat 14:25 Aspen (ASE) 16:02 San Francisco (SFO) 3
UA 4657 Non-stop Embraer EMB 175 (E7W) 2:37 Effective 2025-06-28 through 2025-07-05
Sat,Sun 14:25 Aspen (ASE) 16:02 San Francisco (SFO) 3
UA 4657 Non-stop Embraer EMB 175 (E7W) 2:37 Effective 2025-07-06 through 2025-08-17
Sun 14:28 Aspen (ASE) 16:05 San Francisco (SFO) 3
UA 4657 Non-stop Embraer EMB 175 (E7W) 2:37 Operates only on 2025-06-29
Daily 15:25 Colorado Springs (COS) 16:09 Denver (DEN)
UA 4657 Non-stop Embraer EMB 175 (E7W) 0:44 Effective from 2025-10-26
Sat 16:20 George Bush, Houston (IAH) B 18:20 Birmingham (BHM)
UA 4657 Non-stop Embraer EMB 175 (E7W) 2:00 Effective 2025-05-24 through 2025-05-31
Tue,Sat 17:43 Rochester (ROC) 18:55 Chicago O'Hare (ORD) 2
UA 4657 Non-stop Embraer EMB 175 (E7W) 2:12 Effective 2025-05-06 through 2025-05-20
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This flight number is listed as serving the following routes:
United Airlines flight UA 4657: Multiple routes
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FLIGHT SCHEDULE
Direct Flights:

United Airlines UA4657
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:43, non-stop
Embraer EMB 175 (E7W)

United Airlines UA4657
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:43, non-stop
Embraer EMB 175 (E7W)

United Airlines UA4657
Effective 2025-05-25 through 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:59, non-stop
Canadair CRJ 550 (CR5)

United Airlines UA4657
Effective 2025-06-07 through 2025-06-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 1:59, non-stop
Canadair CRJ 550 (CR5)

United Airlines UA4657
Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:28, non-stop
Canadair CRJ 700 (CR7)

United Airlines UA4657
Effective 2025-08-01 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:29, non-stop
Canadair CRJ 700 (CR7)

United Airlines UA4657
Effective 2025-06-26 through 2025-07-31
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:29, non-stop
Canadair CRJ 700 (CR7)

United Airlines UA4657
Effective 2025-06-28 through 2025-07-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:37, non-stop
Embraer EMB 175 (E7W)

United Airlines UA4657
Effective 2025-07-06 through 2025-08-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 2:37, non-stop
Embraer EMB 175 (E7W)

United Airlines UA4657
Operates only on 2025-06-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:37, non-stop
Embraer EMB 175 (E7W)

United Airlines UA4657
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:44, non-stop
Embraer EMB 175 (E7W)

United Airlines UA4657
Effective 2025-05-24 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:00, non-stop
Embraer EMB 175 (E7W)

United Airlines UA4657
Effective 2025-05-06 through 2025-05-20
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:12, non-stop
Embraer EMB 175 (E7W)
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This flight number is listed as serving the following routes:
  • Albuquerque (ABQ) - San Francisco (SFO)
  • Aspen (ASE) - San Francisco (SFO)
  • Burbank (BUR) - San Francisco (SFO)
  • Chicago O'Hare (ORD) - Harrisburg (MDT)
  • Colorado Springs (COS) - Denver (DEN)
  • George Bush, Houston (IAH) - Birmingham (BHM)
  • Rochester (ROC) - Chicago O'Hare (ORD)