United Airlines flight UA 4598: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 12:40 Chicago O'Hare (ORD) 2 14:32 Sioux Falls (FSD)
UA 4598 Non-stop Canadair CRJ 550 (CR5) 1:52 Effective 2026-03-05 through 2026-03-28
Daily 12:45 Chicago O'Hare (ORD) 2 14:36 Sioux Falls (FSD)
UA 4598 Non-stop Canadair CRJ 550 (CR5) 1:51 Effective 2026-01-06 through 2026-02-11
Daily 12:45 Chicago O'Hare (ORD) 2 14:38 Sioux Falls (FSD)
UA 4598 Non-stop Canadair CRJ 550 (CR5) 1:53 Effective 2026-04-30 through 2026-05-20
Daily 12:47 Chicago O'Hare (ORD) 2 14:40 Sioux Falls (FSD)
UA 4598 Non-stop Canadair CRJ 550 (CR5) 1:53 Effective 2026-03-29 through 2026-04-29
Daily 13:00 Chicago O'Hare (ORD) 2 14:08 Peoria (PIA)
UA 4598 Non-stop Canadair CRJ 550 (CR5) 1:08 Valid until 2026-01-05
Thu 17:24 Buffalo (BUF) 18:33 Chicago O'Hare (ORD) 2
UA 4598 Non-stop Canadair CRJ 550 (CR5) 2:09 Operates only on 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 4598: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4598
12:40
Chicago O'Hare (ORD) 2

14:32
Sioux Falls (FSD)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:52, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4598
12:45
Chicago O'Hare (ORD) 2

14:36
Sioux Falls (FSD)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:51, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4598
12:45
Chicago O'Hare (ORD) 2

14:38
Sioux Falls (FSD)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:53, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4598
12:47
Chicago O'Hare (ORD) 2

14:40
Sioux Falls (FSD)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:53, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4598
13:00
Chicago O'Hare (ORD) 2

14:08
Peoria (PIA)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:08, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4598
17:24
Buffalo (BUF)

18:33
Chicago O'Hare (ORD) 2
Operates only on 2026-02-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:09, non-stop
Canadair CRJ 550 (CR5)
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This flight number is listed as serving the following routes:
  • Buffalo (BUF) - Chicago O'Hare (ORD)
  • Chicago O'Hare (ORD) - Peoria (PIA)
  • Chicago O'Hare (ORD) - Sioux Falls (FSD)
All United Airlines flights
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