ANA flights from Chicago O'Hare (ORD) to Saint Louis (STL).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Thu 09:00 Chicago O'Hare (ORD) 2 10:27 Saint Louis (STL) 1
ANA NH 7448 Non-stop Embraer EMB 175 (E7W) 1:27 Operates only on 2024-11-28
Codeshare flight, operated by United Airlines.(UA 3580)
Daily 15:45 Chicago O'Hare (ORD) 2 17:15 Saint Louis (STL) 1
ANA NH 7448 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2024-11-03 through 2024-11-27
Codeshare flight, operated by United Airlines.(UA 4518)
Mon,Fri-Sun 15:45 Chicago O'Hare (ORD) 2 17:15 Saint Louis (STL) 1
ANA NH 7448 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2024-11-29 through 2024-12-02
Codeshare flight, operated by United Airlines.(UA 4518)
Daily 15:45 Chicago O'Hare (ORD) 2 17:14 Saint Louis (STL) 1
ANA NH 7448 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2025-01-07 through 2025-03-08
Codeshare flight, operated by United Airlines.(UA 4518)
Daily 16:05 Chicago O'Hare (ORD) 2 17:35 Saint Louis (STL) 1
ANA NH 7448 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2024-12-03 through 2024-12-18
Codeshare flight, operated by United Airlines.(UA 4518)
Daily 16:20 Chicago O'Hare (ORD) 2 17:51 Saint Louis (STL) 1
ANA NH 7448 Non-stop Canadair CRJ 550 (CR5) 1:31 Effective 2024-12-19 through 2025-01-06
Codeshare flight, operated by United Airlines.(UA 4518)
Daily 19:40 Chicago O'Hare (ORD) 2 21:04 Saint Louis (STL) 1
ANA NH 7448 Non-stop Canadair CRJ 550 (CR5) 1:24 Effective from 2025-03-09
Codeshare flight, operated by United Airlines.(UA 4185)
Daily 20:05 Chicago O'Hare (ORD) 2 21:36 Saint Louis (STL) 1
ANA NH 7448 Non-stop Canadair CRJ 550 (CR5) 1:31 Effective 2024-10-27 through 2024-11-02
Codeshare flight, operated by United Airlines.(UA 4185)
Daily 20:20 Chicago O'Hare (ORD) 2 21:52 Saint Louis (STL) 1
ANA NH 7448 Non-stop Canadair CRJ 550 (CR5) 1:32 Valid until 2024-10-26
Codeshare flight, operated by United Airlines.(UA 4185)
Daily 09:00 Chicago O'Hare (ORD) 2 10:27 Saint Louis (STL) 1
ANA NH 7450 Non-stop Embraer EMB 175 (E7W) 1:27 Effective 2024-11-03 through 2024-11-27
Codeshare flight, operated by United Airlines.(UA 3580)
Daily 09:00 Chicago O'Hare (ORD) 2 10:27 Saint Louis (STL) 1
ANA NH 7450 Non-stop Embraer EMB 175 (E7W) 1:27 Effective 2024-11-29 through 2024-12-18
Codeshare flight, operated by United Airlines.(UA 3580)
Daily 09:04 Chicago O'Hare (ORD) 2 10:43 Saint Louis (STL) 1
ANA NH 7450 Non-stop Canadair CRJ 550 (CR5) 1:39 Effective 2025-01-07 through 2025-02-12
Codeshare flight, operated by United Airlines.(UA 4613)
Daily 09:04 Chicago O'Hare (ORD) 1 10:27 Saint Louis (STL) 1
ANA NH 7450 Non-stop Airbus A319 (319) 1:23 Effective 2025-02-13 through 2025-03-08
Codeshare flight, operated by United Airlines.(UA 1851)
Daily 09:13 Chicago O'Hare (ORD) 2 10:47 Saint Louis (STL) 1
ANA NH 7450 Non-stop Canadair CRJ 550 (CR5) 1:34 Effective 2024-12-19 through 2025-01-06
Codeshare flight, operated by United Airlines.(UA 4613)
Thu 12:45 Chicago O'Hare (ORD) 1 14:12 Saint Louis (STL) 1
ANA NH 7450 Non-stop Airbus A319 (319) 1:27 Operates only on 2024-11-28
Codeshare flight, operated by United Airlines.(UA 2618)
Daily 12:55 Chicago O'Hare (ORD) 2 14:25 Saint Louis (STL) 1
ANA NH 7450 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2024-10-27 through 2024-11-02
Codeshare flight, operated by United Airlines.(UA 4406)
Daily 12:55 Chicago O'Hare (ORD) 2 14:18 Saint Louis (STL) 1
ANA NH 7450 Non-stop Canadair CRJ 550 (CR5) 1:23 Effective from 2025-03-09
Codeshare flight, operated by United Airlines.(UA 4406)
Mon-Fri,Sun 13:25 Chicago O'Hare (ORD) 2 14:48 Saint Louis (STL) 1
ANA NH 7450 Non-stop Embraer EMB 175 (E7W) 1:23 Effective 2024-09-26 through 2024-10-25
Codeshare flight, operated by United Airlines.(UA 5949)
Sat 13:25 Chicago O'Hare (ORD) 2 14:48 Saint Louis (STL) 1
ANA NH 7450 Non-stop Canadair CRJ 550 (CR5) 1:23 Operates only on 2024-09-28
Codeshare flight, operated by United Airlines.(UA 4168)
Sat 13:25 Chicago O'Hare (ORD) 2 14:48 Saint Louis (STL) 1
ANA NH 7450 Non-stop Embraer EMB 175 (E7W) 1:23 Effective 2024-10-05 through 2024-10-26
Codeshare flight, operated by United Airlines.(UA 5949)
Mon-Fri,Sun 13:28 Chicago O'Hare (ORD) 2 14:51 Saint Louis (STL) 1
ANA NH 7450 Non-stop Canadair CRJ 550 (CR5) 1:23 Valid until 2024-09-25
Codeshare flight, operated by United Airlines.(UA 4168)
Sat 13:30 Chicago O'Hare (ORD) 2 14:53 Saint Louis (STL) 1
ANA NH 7450 Non-stop Canadair CRJ 550 (CR5) 1:23 Valid until 2024-09-21
Codeshare flight, operated by United Airlines.(UA 4168)
Daily 10:50 Chicago O'Hare (ORD) 2 12:22 Saint Louis (STL) 1
ANA NH 7588 Non-stop Canadair CRJ 550 (CR5) 1:32 Valid until 2024-10-26
Codeshare flight, operated by United Airlines.(UA 4394)
Daily 10:50 Chicago O'Hare (ORD) 2 12:19 Saint Louis (STL) 1
ANA NH 7588 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2024-10-27 through 2024-11-27
Codeshare flight, operated by United Airlines.(UA 4394)
Daily 10:50 Chicago O'Hare (ORD) 2 12:19 Saint Louis (STL) 1
ANA NH 7588 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2024-11-29 through 2024-12-18
Codeshare flight, operated by United Airlines.(UA 4394)
Daily 10:50 Chicago O'Hare (ORD) 2 12:20 Saint Louis (STL) 1
ANA NH 7588 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective from 2025-01-07
Codeshare flight, operated by United Airlines.(UA 4394)
Mon,Tue,Thu-Sun 11:00 Chicago O'Hare (ORD) 2 12:26 Saint Louis (STL) 1
ANA NH 7588 Non-stop Canadair CRJ 550 (CR5) 1:26 Effective 2024-12-19 through 2025-01-06
Codeshare flight, operated by United Airlines.(UA 4394)
Wed 12:55 Chicago O'Hare (ORD) 2 14:24 Saint Louis (STL) 1
ANA NH 7588 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2024-12-25 through 2025-01-01
Codeshare flight, operated by United Airlines.(UA 4406)
Daily 18:00 Chicago O'Hare (ORD) 2 19:25 Saint Louis (STL) 1
ANA NH 7590 Non-stop Canadair CRJ 550 (CR5) 1:25 Effective from 2025-01-07
Codeshare flight, operated by United Airlines.(UA 4416)
Daily 18:15 Chicago O'Hare (ORD) 2 19:47 Saint Louis (STL) 1
ANA NH 7590 Non-stop Canadair CRJ 550 (CR5) 1:32 Valid until 2024-10-26
Codeshare flight, operated by United Airlines.(UA 4416)
Daily 18:20 Chicago O'Hare (ORD) 2 19:51 Saint Louis (STL) 1
ANA NH 7590 Non-stop Canadair CRJ 550 (CR5) 1:31 Effective 2024-10-27 through 2024-11-27
Codeshare flight, operated by United Airlines.(UA 4416)
Daily 18:20 Chicago O'Hare (ORD) 2 19:51 Saint Louis (STL) 1
ANA NH 7590 Non-stop Canadair CRJ 550 (CR5) 1:31 Effective 2024-11-29 through 2024-12-18
Codeshare flight, operated by United Airlines.(UA 4416)
Daily 18:20 Chicago O'Hare (ORD) 2 19:57 Saint Louis (STL) 1
ANA NH 7590 Non-stop Canadair CRJ 550 (CR5) 1:37 Effective 2024-12-19 through 2025-01-06
Codeshare flight, operated by United Airlines.(UA 4408)




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ANA flights from Chicago O'Hare (ORD) to Saint Louis (STL).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
ANA NH7448
09:00
Chicago O'Hare (ORD) 2

10:27
Saint Louis (STL) 1
Operates only on 2024-11-28
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 3580)
Duration: 1:27, non-stop
Embraer EMB 175 (E7W)
ANA NH7448
15:45
Chicago O'Hare (ORD) 2

17:15
Saint Louis (STL) 1
Effective 2024-11-03 through 2024-11-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4518)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
ANA NH7448
15:45
Chicago O'Hare (ORD) 2

17:15
Saint Louis (STL) 1
Effective 2024-11-29 through 2024-12-02
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4518)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
ANA NH7448
15:45
Chicago O'Hare (ORD) 2

17:14
Saint Louis (STL) 1
Effective 2025-01-07 through 2025-03-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4518)
Duration: 1:29, non-stop
Canadair CRJ 550 (CR5)
ANA NH7448
16:05
Chicago O'Hare (ORD) 2

17:35
Saint Louis (STL) 1
Effective 2024-12-03 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4518)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
ANA NH7448
16:20
Chicago O'Hare (ORD) 2

17:51
Saint Louis (STL) 1
Effective 2024-12-19 through 2025-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4518)
Duration: 1:31, non-stop
Canadair CRJ 550 (CR5)
ANA NH7448
19:40
Chicago O'Hare (ORD) 2

21:04
Saint Louis (STL) 1
Effective from 2025-03-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4185)
Duration: 1:24, non-stop
Canadair CRJ 550 (CR5)
ANA NH7448
20:05
Chicago O'Hare (ORD) 2

21:36
Saint Louis (STL) 1
Effective 2024-10-27 through 2024-11-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4185)
Duration: 1:31, non-stop
Canadair CRJ 550 (CR5)
ANA NH7448
20:20
Chicago O'Hare (ORD) 2

21:52
Saint Louis (STL) 1
Valid until 2024-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4185)
Duration: 1:32, non-stop
Canadair CRJ 550 (CR5)
ANA NH7450
09:00
Chicago O'Hare (ORD) 2

10:27
Saint Louis (STL) 1
Effective 2024-11-03 through 2024-11-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 3580)
Duration: 1:27, non-stop
Embraer EMB 175 (E7W)
ANA NH7450
09:00
Chicago O'Hare (ORD) 2

10:27
Saint Louis (STL) 1
Effective 2024-11-29 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 3580)
Duration: 1:27, non-stop
Embraer EMB 175 (E7W)
ANA NH7450
09:04
Chicago O'Hare (ORD) 2

10:43
Saint Louis (STL) 1
Effective 2025-01-07 through 2025-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4613)
Duration: 1:39, non-stop
Canadair CRJ 550 (CR5)
ANA NH7450
09:04
Chicago O'Hare (ORD) 1

10:27
Saint Louis (STL) 1
Effective 2025-02-13 through 2025-03-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1851)
Duration: 1:23, non-stop
Airbus A319 (319)
ANA NH7450
09:13
Chicago O'Hare (ORD) 2

10:47
Saint Louis (STL) 1
Effective 2024-12-19 through 2025-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4613)
Duration: 1:34, non-stop
Canadair CRJ 550 (CR5)
ANA NH7450
12:45
Chicago O'Hare (ORD) 1

14:12
Saint Louis (STL) 1
Operates only on 2024-11-28
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2618)
Duration: 1:27, non-stop
Airbus A319 (319)
ANA NH7450
12:55
Chicago O'Hare (ORD) 2

14:25
Saint Louis (STL) 1
Effective 2024-10-27 through 2024-11-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4406)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
ANA NH7450
12:55
Chicago O'Hare (ORD) 2

14:18
Saint Louis (STL) 1
Effective from 2025-03-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4406)
Duration: 1:23, non-stop
Canadair CRJ 550 (CR5)
ANA NH7450
13:25
Chicago O'Hare (ORD) 2

14:48
Saint Louis (STL) 1
Effective 2024-09-26 through 2024-10-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 5949)
Duration: 1:23, non-stop
Embraer EMB 175 (E7W)
ANA NH7450
13:25
Chicago O'Hare (ORD) 2

14:48
Saint Louis (STL) 1
Operates only on 2024-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 4168)
Duration: 1:23, non-stop
Canadair CRJ 550 (CR5)
ANA NH7450
13:25
Chicago O'Hare (ORD) 2

14:48
Saint Louis (STL) 1
Effective 2024-10-05 through 2024-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 5949)
Duration: 1:23, non-stop
Embraer EMB 175 (E7W)
ANA NH7450
13:28
Chicago O'Hare (ORD) 2

14:51
Saint Louis (STL) 1
Valid until 2024-09-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 4168)
Duration: 1:23, non-stop
Canadair CRJ 550 (CR5)
ANA NH7450
13:30
Chicago O'Hare (ORD) 2

14:53
Saint Louis (STL) 1
Valid until 2024-09-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 4168)
Duration: 1:23, non-stop
Canadair CRJ 550 (CR5)
ANA NH7588
10:50
Chicago O'Hare (ORD) 2

12:22
Saint Louis (STL) 1
Valid until 2024-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4394)
Duration: 1:32, non-stop
Canadair CRJ 550 (CR5)
ANA NH7588
10:50
Chicago O'Hare (ORD) 2

12:19
Saint Louis (STL) 1
Effective 2024-10-27 through 2024-11-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4394)
Duration: 1:29, non-stop
Canadair CRJ 550 (CR5)
ANA NH7588
10:50
Chicago O'Hare (ORD) 2

12:19
Saint Louis (STL) 1
Effective 2024-11-29 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4394)
Duration: 1:29, non-stop
Canadair CRJ 550 (CR5)
ANA NH7588
10:50
Chicago O'Hare (ORD) 2

12:20
Saint Louis (STL) 1
Effective from 2025-01-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4394)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
ANA NH7588
11:00
Chicago O'Hare (ORD) 2

12:26
Saint Louis (STL) 1
Effective 2024-12-19 through 2025-01-06
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4394)
Duration: 1:26, non-stop
Canadair CRJ 550 (CR5)
ANA NH7588
12:55
Chicago O'Hare (ORD) 2

14:24
Saint Louis (STL) 1
Effective 2024-12-25 through 2025-01-01
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 4406)
Duration: 1:29, non-stop
Canadair CRJ 550 (CR5)
ANA NH7590
18:00
Chicago O'Hare (ORD) 2

19:25
Saint Louis (STL) 1
Effective from 2025-01-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4416)
Duration: 1:25, non-stop
Canadair CRJ 550 (CR5)
ANA NH7590
18:15
Chicago O'Hare (ORD) 2

19:47
Saint Louis (STL) 1
Valid until 2024-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4416)
Duration: 1:32, non-stop
Canadair CRJ 550 (CR5)
ANA NH7590
18:20
Chicago O'Hare (ORD) 2

19:51
Saint Louis (STL) 1
Effective 2024-10-27 through 2024-11-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4416)
Duration: 1:31, non-stop
Canadair CRJ 550 (CR5)
ANA NH7590
18:20
Chicago O'Hare (ORD) 2

19:51
Saint Louis (STL) 1
Effective 2024-11-29 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4416)
Duration: 1:31, non-stop
Canadair CRJ 550 (CR5)
ANA NH7590
18:20
Chicago O'Hare (ORD) 2

19:57
Saint Louis (STL) 1
Effective 2024-12-19 through 2025-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4408)
Duration: 1:37, non-stop
Canadair CRJ 550 (CR5)
  • A domestic route departing from the Chicago O'Hare airport (ORD) and arriving at Saint Louis airport (STL).
  • 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 1:23 and 1:39.
All ORD-STL flights
All ANA flights
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