United Airlines flight UA 4557: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Mon-Fri,Sun 07:10 Chicago O'Hare (ORD) 2 10:09 Greenville/Spartanburg (GSP)
UA 4557 Non-stop Canadair CRJ 550 (CR5) 1:59 Valid until 2025-05-02
Daily 07:10 Chicago O'Hare (ORD) 2 10:09 Greenville/Spartanburg (GSP)
UA 4557 Non-stop Canadair CRJ 550 (CR5) 1:59 Effective 2025-05-03 through 2025-05-21
Mon-Fri 09:15 Chicago O'Hare (ORD) 2 12:22 Greenville/Spartanburg (GSP)
UA 4557 Non-stop Canadair CRJ 550 (CR5) 2:07 Effective 2025-05-22 through 2025-06-25
Daily 12:45 Chicago O'Hare (ORD) 2 13:49 Madison (MSN)
UA 4557 Non-stop Canadair CRJ 550 (CR5) 1:04 Effective 2025-08-19 through 2025-09-24
Daily 12:45 Chicago O'Hare (ORD) 2 13:48 Madison (MSN)
UA 4557 Non-stop Canadair CRJ 550 (CR5) 1:03 Effective from 2026-02-12
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This flight number is listed as serving the following routes:


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United Airlines flight UA 4557: Multiple routes
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Select flight date:  Show Calendar
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4557
07:10
Chicago O'Hare (ORD) 2

10:09
Greenville/Spartanburg (GSP)
Valid until 2025-05-02
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:59, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4557
07:10
Chicago O'Hare (ORD) 2

10:09
Greenville/Spartanburg (GSP)
Effective 2025-05-03 through 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:59, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4557
09:15
Chicago O'Hare (ORD) 2

12:22
Greenville/Spartanburg (GSP)
Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:07, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4557
12:45
Chicago O'Hare (ORD) 2

13:49
Madison (MSN)
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:04, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4557
12:45
Chicago O'Hare (ORD) 2

13:48
Madison (MSN)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:03, non-stop
Canadair CRJ 550 (CR5)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Greenville/Spartanburg (GSP)
  • Chicago O'Hare (ORD) - Madison (MSN)
All United Airlines flights
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