ANA flight NH 7591: Saint Louis - Chicago O'Hare

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Thu 05:00 Saint Louis (STL) 1 06:30 Chicago O'Hare (ORD) 2
NH 7591 Non-stop Canadair CRJ 550 (CR5) 1:30 Operates only on 2025-05-22
Codeshare flight, operated by United Airlines.(UA 4619)
Thu 05:00 Saint Louis (STL) 1 06:30 Chicago O'Hare (ORD) 2
NH 7591 Non-stop Canadair CRJ 550 (CR5) 1:30 Operates only on 2025-06-26
Codeshare flight, operated by United Airlines.(UA 4619)
Daily 06:30 Saint Louis (STL) 1 08:02 Chicago O'Hare (ORD) 2
NH 7591 Non-stop Canadair CRJ 550 (CR5) 1:32 Effective 2025-05-23 through 2025-06-25
Codeshare flight, operated by United Airlines.(UA 4423)
Mon-Fri 06:33 Saint Louis (STL) 1 08:05 Chicago O'Hare (ORD) 2
NH 7591 Non-stop Canadair CRJ 550 (CR5) 1:32 Effective 2025-06-27 through 2025-08-18
Codeshare flight, operated by United Airlines.(UA 4423)
Daily 06:45 Saint Louis (STL) 1 08:05 Chicago O'Hare (ORD) 2
NH 7591 Non-stop Canadair CRJ 550 (CR5) 1:20 Effective from 2025-10-26
Codeshare flight, operated by United Airlines.(UA 4423)
Sat,Sun 09:09 Saint Louis (STL) 1 10:40 Chicago O'Hare (ORD) 2
NH 7591 Non-stop Canadair CRJ 550 (CR5) 1:31 Effective 2025-06-28 through 2025-08-17
Codeshare flight, operated by United Airlines.(UA 4399)
Mon,Wed,Sun 09:17 Saint Louis (STL) 1 10:47 Chicago O'Hare (ORD) 2
NH 7591 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2025-08-20 through 2025-08-25
Codeshare flight, operated by United Airlines.(UA 4597)
Tue,Fri,Sat 09:17 Saint Louis (STL) 1 10:47 Chicago O'Hare (ORD) 2
NH 7591 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2025-08-29 through 2025-09-02
Codeshare flight, operated by United Airlines.(UA 4597)
Tue,Thu,Sat,Sun 09:17 Saint Louis (STL) 1 10:47 Chicago O'Hare (ORD) 2
NH 7591 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2025-09-06 through 2025-09-11
Codeshare flight, operated by United Airlines.(UA 4597)
Mon,Tue,Fri 09:17 Saint Louis (STL) 1 10:47 Chicago O'Hare (ORD) 2
NH 7591 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2025-09-15 through 2025-09-19
Codeshare flight, operated by United Airlines.(UA 4597)
Daily 09:20 Saint Louis (STL) 1 10:50 Chicago O'Hare (ORD) 2
NH 7591 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2025-09-25 through 2025-10-25
Codeshare flight, operated by United Airlines.(UA 4597)
Daily 09:40 Saint Louis (STL) 1 11:10 Chicago O'Hare (ORD) 2
NH 7591 Non-stop Canadair CRJ 550 (CR5) 1:30 Valid until 2025-05-21
Codeshare flight, operated by United Airlines.(UA 4399)
Tue,Thu-Sat 12:35 Saint Louis (STL) 1 14:05 Chicago O'Hare (ORD) 2
NH 7591 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2025-08-19 through 2025-08-26
Codeshare flight, operated by United Airlines.(UA 4399)
Mon,Wed,Thu,Sun 12:35 Saint Louis (STL) 1 14:05 Chicago O'Hare (ORD) 2
NH 7591 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2025-08-27 through 2025-09-04
Codeshare flight, operated by United Airlines.(UA 4399)
Mon,Wed,Fri 12:35 Saint Louis (STL) 1 14:05 Chicago O'Hare (ORD) 2
NH 7591 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2025-09-05 through 2025-09-12
Codeshare flight, operated by United Airlines.(UA 4399)
Wed,Thu,Sat,Sun 12:35 Saint Louis (STL) 1 14:05 Chicago O'Hare (ORD) 2
NH 7591 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2025-09-13 through 2025-09-21
Codeshare flight, operated by United Airlines.(UA 4399)
Mon-Wed 12:35 Saint Louis (STL) 1 14:05 Chicago O'Hare (ORD) 2
NH 7591 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2025-09-22 through 2025-09-24
Codeshare flight, operated by United Airlines.(UA 4399)
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ANA flight NH 7591:
Saint Louis - Chicago O'Hare
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
ANA NH7591
05:00
Saint Louis (STL) 1

06:30
Chicago O'Hare (ORD) 2
Operates only on 2025-05-22
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 4619)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
ANA NH7591
05:00
Saint Louis (STL) 1

06:30
Chicago O'Hare (ORD) 2
Operates only on 2025-06-26
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 4619)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
ANA NH7591
06:30
Saint Louis (STL) 1

08:02
Chicago O'Hare (ORD) 2
Effective 2025-05-23 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4423)
Duration: 1:32, non-stop
Canadair CRJ 550 (CR5)
ANA NH7591
06:33
Saint Louis (STL) 1

08:05
Chicago O'Hare (ORD) 2
Effective 2025-06-27 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 4423)
Duration: 1:32, non-stop
Canadair CRJ 550 (CR5)
ANA NH7591
06:45
Saint Louis (STL) 1

08:05
Chicago O'Hare (ORD) 2
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4423)
Duration: 1:20, non-stop
Canadair CRJ 550 (CR5)
ANA NH7591
09:09
Saint Louis (STL) 1

10:40
Chicago O'Hare (ORD) 2
Effective 2025-06-28 through 2025-08-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4399)
Duration: 1:31, non-stop
Canadair CRJ 550 (CR5)
ANA NH7591
09:17
Saint Louis (STL) 1

10:47
Chicago O'Hare (ORD) 2
Effective 2025-08-20 through 2025-08-25
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 4597)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
ANA NH7591
09:17
Saint Louis (STL) 1

10:47
Chicago O'Hare (ORD) 2
Effective 2025-08-29 through 2025-09-02
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 4597)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
ANA NH7591
09:17
Saint Louis (STL) 1

10:47
Chicago O'Hare (ORD) 2
Effective 2025-09-06 through 2025-09-11
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4597)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
ANA NH7591
09:17
Saint Louis (STL) 1

10:47
Chicago O'Hare (ORD) 2
Effective 2025-09-15 through 2025-09-19
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 4597)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
ANA NH7591
09:20
Saint Louis (STL) 1

10:50
Chicago O'Hare (ORD) 2
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4597)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
ANA NH7591
09:40
Saint Louis (STL) 1

11:10
Chicago O'Hare (ORD) 2
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4399)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
ANA NH7591
12:35
Saint Louis (STL) 1

14:05
Chicago O'Hare (ORD) 2
Effective 2025-08-19 through 2025-08-26
Mon
-
Tue
Wed
-
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 4399)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
ANA NH7591
12:35
Saint Louis (STL) 1

14:05
Chicago O'Hare (ORD) 2
Effective 2025-08-27 through 2025-09-04
Mon
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 4399)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
ANA NH7591
12:35
Saint Louis (STL) 1

14:05
Chicago O'Hare (ORD) 2
Effective 2025-09-05 through 2025-09-12
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 4399)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
ANA NH7591
12:35
Saint Louis (STL) 1

14:05
Chicago O'Hare (ORD) 2
Effective 2025-09-13 through 2025-09-21
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4399)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
ANA NH7591
12:35
Saint Louis (STL) 1

14:05
Chicago O'Hare (ORD) 2
Effective 2025-09-22 through 2025-09-24
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 4399)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
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Parallax here STL-ORD
  • NH 7591 is a domestic flight departing from the Saint Louis airport (STL) and arriving at Chicago O'Hare airport (ORD).
  • The flight distance is 258 miles, or 415 km.
  • The timezone of both the departure and the arrival airports is UTC-6 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 1:20 and 1:32.
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