United Airlines flight UA 4584: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 06:10 Springfield (SGF) 07:57 Chicago O'Hare (ORD) 2
UA 4584 Non-stop Canadair CRJ 550 (CR5) 1:47 Effective 2026-03-29 through 2026-04-29
Daily 06:13 Springfield (SGF) 08:00 Chicago O'Hare (ORD) 2
UA 4584 Non-stop Canadair CRJ 550 (CR5) 1:47 Effective 2026-04-30 through 2026-05-20
Daily 10:50 Chicago O'Hare (ORD) 2 13:09 Indianapolis (IND)
UA 4584 Non-stop Canadair CRJ 550 (CR5) 1:19 Valid until 2026-01-05
Mon,Wed-Fri 12:39 Chattanooga (CHA) 14:59 Newark Liberty, New York (EWR) C
UA 4584 Non-stop Canadair CRJ 550 (CR5) 2:20 Effective 2026-03-05 through 2026-03-27
Mon,Wed-Fri 12:53 Chattanooga (CHA) 15:15 Newark Liberty, New York (EWR) C
UA 4584 Non-stop Canadair CRJ 550 (CR5) 2:22 Effective 2026-01-07 through 2026-01-30
Sun 12:53 Chattanooga (CHA) 15:14 Newark Liberty, New York (EWR) C
UA 4584 Non-stop Canadair CRJ 550 (CR5) 2:21 Operates only on 2026-01-11
Sun 12:53 Chattanooga (CHA) 15:14 Newark Liberty, New York (EWR) C
UA 4584 Non-stop Canadair CRJ 550 (CR5) 2:21 Operates only on 2026-01-25
Mon,Wed-Fri,Sun 12:53 Chattanooga (CHA) 15:15 Newark Liberty, New York (EWR) C
UA 4584 Non-stop Canadair CRJ 550 (CR5) 2:22 Effective 2026-02-01 through 2026-02-11
Mon,Wed-Fri,Sun 12:53 Chattanooga (CHA) 15:15 Newark Liberty, New York (EWR) C
UA 4584 Non-stop Canadair CRJ 550 (CR5) 2:22 Effective from 2026-05-21
Sun 12:59 Chattanooga (CHA) 15:19 Newark Liberty, New York (EWR) C
UA 4584 Non-stop Canadair CRJ 550 (CR5) 2:20 Effective 2026-03-08 through 2026-03-22
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This flight number is listed as serving the following routes:


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United Airlines flight UA 4584: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4584
06:10
Springfield (SGF)

07:57
Chicago O'Hare (ORD) 2
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:47, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4584
06:13
Springfield (SGF)

08:00
Chicago O'Hare (ORD) 2
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:47, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4584
10:50
Chicago O'Hare (ORD) 2

13:09
Indianapolis (IND)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:19, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4584
12:39
Chattanooga (CHA)

14:59
Newark Liberty, New York (EWR) C
Effective 2026-03-05 through 2026-03-27
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:20, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4584
12:53
Chattanooga (CHA)

15:15
Newark Liberty, New York (EWR) C
Effective 2026-01-07 through 2026-01-30
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:22, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4584
12:53
Chattanooga (CHA)

15:14
Newark Liberty, New York (EWR) C
Operates only on 2026-01-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:21, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4584
12:53
Chattanooga (CHA)

15:14
Newark Liberty, New York (EWR) C
Operates only on 2026-01-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:21, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4584
12:53
Chattanooga (CHA)

15:15
Newark Liberty, New York (EWR) C
Effective 2026-02-01 through 2026-02-11
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:22, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4584
12:53
Chattanooga (CHA)

15:15
Newark Liberty, New York (EWR) C
Effective from 2026-05-21
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:22, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4584
12:59
Chattanooga (CHA)

15:19
Newark Liberty, New York (EWR) C
Effective 2026-03-08 through 2026-03-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Canadair CRJ 550 (CR5)
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This flight number is listed as serving the following routes:
  • Chattanooga (CHA) - Newark Liberty, New York (EWR)
  • Chicago O'Hare (ORD) - Indianapolis (IND)
  • Springfield (SGF) - Chicago O'Hare (ORD)
All United Airlines flights
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