United Airlines flight UA 3597: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 06:00 Montreal-Trudeau (YUL) 08:00 Chicago O'Hare (ORD) 2
UA 3597 Non-stop Embraer EMB 175 (E7W) 3:00 Effective 2026-02-12 through 2026-03-04
Mon-Thu,Sun 07:25 Chicago O'Hare (ORD) 2 10:50 Charleston (CHS)
UA 3597 Non-stop Embraer EMB 175 (E7W) 2:25 Effective 2026-03-05 through 2026-03-26
Sat 07:35 Chicago O'Hare (ORD) 2 11:00 Charleston (CHS)
UA 3597 Non-stop Embraer EMB 175 (E7W) 2:25 Effective 2026-03-07 through 2026-03-28
Daily 08:58 Chicago O'Hare (ORD) 2 12:32 Charleston (CHS)
UA 3597 Non-stop Embraer EMB 175 (E7W) 2:34 Effective 2026-01-06 through 2026-02-05
Mon-Wed,Sat,Sun 08:58 Chicago O'Hare (ORD) 2 12:32 Charleston (CHS)
UA 3597 Non-stop Embraer EMB 175 (E7W) 2:34 Effective 2026-02-07 through 2026-02-11
Daily 09:00 Chicago O'Hare (ORD) 2 12:30 Charleston (CHS)
UA 3597 Non-stop Embraer EMB 175 (E7W) 2:30 Effective 2026-02-12 through 2026-03-04
Mon-Wed,Fri-Sun 11:40 Jacksonville (JAX) 13:36 Chicago O'Hare (ORD) 2
UA 3597 Non-stop Embraer EMB 175 (E7W) 2:56 Valid until 2026-01-05
Daily 11:47 Newark Liberty, New York (EWR) C 13:39 Cleveland (CLE)
UA 3597 Non-stop Embraer EMB 175 (E7W) 1:52 Effective 2026-03-29 through 2026-05-20
Daily 16:00 Chicago O'Hare (ORD) 2 18:20 Cincinnati (CVG)
UA 3597 Non-stop Embraer EMB 175 (E7W) 1:20 Effective 2026-05-21 through 2026-10-24
Fri 18:38 Minneapolis/Saint Paul (MSP) 1 20:25 Chicago O'Hare (ORD) 2
UA 3597 Non-stop Embraer EMB 175 (E7W) 1:47 Operates only on 2026-02-06
Fri 19:54 Chicago O'Hare (ORD) 2 22:04 Indianapolis (IND)
UA 3597 Non-stop Embraer EMB 175 (E7W) 1:10 Effective 2026-03-06 through 2026-03-27
Daily 21:30 Newark Liberty, New York (EWR) C 23:29 Toronto Pearson (YYZ) 1
UA 3597 Non-stop Embraer EMB 175 (E7W) 1:59 Effective from 2026-10-25
Non-Direct Flights:
Daily 06:00 Montreal-Trudeau (YUL) 12:30 Charleston (CHS)
UA 3597 1-stop Embraer EMB 175 (E7W) 6:30 Effective 2026-02-12 through 2026-03-04
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This flight number is listed as serving the following routes:


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United Airlines flight UA 3597: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA3597
06:00
Montreal-Trudeau (YUL)

08:00
Chicago O'Hare (ORD) 2
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:00, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA3597
07:25
Chicago O'Hare (ORD) 2

10:50
Charleston (CHS)
Effective 2026-03-05 through 2026-03-26
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 2:25, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA3597
07:35
Chicago O'Hare (ORD) 2

11:00
Charleston (CHS)
Effective 2026-03-07 through 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:25, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA3597
08:58
Chicago O'Hare (ORD) 2

12:32
Charleston (CHS)
Effective 2026-01-06 through 2026-02-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:34, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA3597
08:58
Chicago O'Hare (ORD) 2

12:32
Charleston (CHS)
Effective 2026-02-07 through 2026-02-11
Mon
Tue
Wed
Thu
-
Fri
-
Sat
Sun
Duration: 2:34, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA3597
09:00
Chicago O'Hare (ORD) 2

12:30
Charleston (CHS)
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:30, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA3597
11:40
Jacksonville (JAX)

13:36
Chicago O'Hare (ORD) 2
Valid until 2026-01-05
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 2:56, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA3597
11:47
Newark Liberty, New York (EWR) C

13:39
Cleveland (CLE)
Effective 2026-03-29 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:52, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA3597
16:00
Chicago O'Hare (ORD) 2

18:20
Cincinnati (CVG)
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:20, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA3597
18:38
Minneapolis/Saint Paul (MSP) 1

20:25
Chicago O'Hare (ORD) 2
Operates only on 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:47, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA3597
19:54
Chicago O'Hare (ORD) 2

22:04
Indianapolis (IND)
Effective 2026-03-06 through 2026-03-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:10, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA3597
21:30
Newark Liberty, New York (EWR) C

23:29
Toronto Pearson (YYZ) 1
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:59, non-stop
Embraer EMB 175 (E7W)
Non-Direct Flights:
United Airlines UA3597
06:00
Montreal-Trudeau (YUL)

12:30
Charleston (CHS)
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:30, 1-stop
Embraer EMB 175 (E7W)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Charleston (CHS)
  • Chicago O'Hare (ORD) - Cincinnati (CVG)
  • Chicago O'Hare (ORD) - Indianapolis (IND)
  • Jacksonville (JAX) - Chicago O'Hare (ORD)
  • Minneapolis/Saint Paul (MSP) - Chicago O'Hare (ORD)
  • Montreal-Trudeau (YUL) - Charleston (CHS)
  • Montreal-Trudeau (YUL) - Chicago O'Hare (ORD)
  • Newark Liberty, New York (EWR) - Cleveland (CLE)
  • Newark Liberty, New York (EWR) - Toronto Pearson (YYZ)
All United Airlines flights
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