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

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 16:40 Chicago O'Hare (ORD) 3 17:58 Saint Louis (STL) 1
Cathay Pacific CX 7590 Non-stop Canadair CRJ 700 (CR7) 1:18 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 6363)
Daily 16:40 Chicago O'Hare (ORD) 3 17:56 Saint Louis (STL) 1
Cathay Pacific CX 7590 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:16 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 3497)
Tue,Sat 16:45 Chicago O'Hare (ORD) 3 18:02 Saint Louis (STL) 1
Cathay Pacific CX 7590 Non-stop Boeing 737-800 (738) 1:17 Valid until 2025-05-03
Codeshare flight, operated by American Airlines.(AA 2324)
Daily 16:45 Chicago O'Hare (ORD) 3 18:03 Saint Louis (STL) 1
Cathay Pacific CX 7590 Non-stop Airbus A319 (319) 1:18 Effective 2025-10-06 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 2630)
Sat 17:10 Chicago O'Hare (ORD) 3 18:28 Saint Louis (STL) 1
Cathay Pacific CX 7590 Non-stop Embraer EMB 175 (E75) 1:18 Effective 2025-05-10 through 2025-05-17
Codeshare flight, operated by American Airlines.(AA 3629)
Sat 17:10 Chicago O'Hare (ORD) 3 18:27 Saint Louis (STL) 1
Cathay Pacific CX 7590 Non-stop Airbus A319 (319) 1:17 Operates only on 2025-05-24
Codeshare flight, operated by American Airlines.(AA 1926)
Sat 17:10 Chicago O'Hare (ORD) 3 18:28 Saint Louis (STL) 1
Cathay Pacific CX 7590 Non-stop Embraer EMB 175 (E75) 1:18 Operates only on 2025-05-31
Codeshare flight, operated by American Airlines.(AA 3629)
Mon-Fri,Sun 17:15 Chicago O'Hare (ORD) 3 18:33 Saint Louis (STL) 1
Cathay Pacific CX 7590 Non-stop Embraer EMB 175 (E75) 1:18 Effective 2025-05-05 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 3678)
Fri 17:20 Chicago O'Hare (ORD) 3 18:32 Saint Louis (STL) 1
Cathay Pacific CX 7590 Non-stop Boeing 737-800 (738) 1:12 Operates only on 2025-07-04
Codeshare flight, operated by American Airlines.(AA 1926)
Daily 17:49 Chicago O'Hare (ORD) 3 19:08 Saint Louis (STL) 1
Cathay Pacific CX 7590 Non-stop Canadair CRJ 700 (CR7) 1:19 Effective 2025-07-05 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 6299)
Daily 17:55 Chicago O'Hare (ORD) 3 19:17 Saint Louis (STL) 1
Cathay Pacific CX 7590 Non-stop Canadair CRJ 700 (CR7) 1:22 Effective 2025-06-05 through 2025-06-30
Codeshare flight, operated by American Airlines.(AA 6299)
Thu 17:55 Chicago O'Hare (ORD) 3 19:17 Saint Louis (STL) 1
Cathay Pacific CX 7590 Non-stop Canadair CRJ 700 (CR7) 1:22 Operates only on 2025-07-03
Codeshare flight, operated by American Airlines.(AA 6299)
Tue,Wed 17:56 Chicago O'Hare (ORD) 3 19:11 Saint Louis (STL) 1
Cathay Pacific CX 7590 Non-stop Boeing 737-800 (738) 1:15 Effective 2025-07-01 through 2025-07-02
Codeshare flight, operated by American Airlines.(AA 1652)
Daily 18:30 Chicago O'Hare (ORD) 3 20:00 Saint Louis (STL) 1
Cathay Pacific CX 7590 Non-stop Canadair CRJ 700 (CR7) 1:30 Effective 2025-11-02 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 4924)
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Cathay Pacific flights from Chicago O'Hare (ORD) to Saint Louis (STL).
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Cathay Pacific CX7590
16:40
Chicago O'Hare (ORD) 3

17:58
Saint Louis (STL) 1
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6363)
Duration: 1:18, non-stop
Canadair CRJ 700 (CR7)
Cathay Pacific CX7590
16:40
Chicago O'Hare (ORD) 3

17:56
Saint Louis (STL) 1
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3497)
Duration: 1:16, non-stop
Embraer EMB 170 / EMB 175 (E70)
Cathay Pacific CX7590
16:45
Chicago O'Hare (ORD) 3

18:02
Saint Louis (STL) 1
Valid until 2025-05-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2324)
Duration: 1:17, non-stop
Boeing 737-800 (738)
Cathay Pacific CX7590
16:45
Chicago O'Hare (ORD) 3

18:03
Saint Louis (STL) 1
Effective 2025-10-06 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2630)
Duration: 1:18, non-stop
Airbus A319 (319)
Cathay Pacific CX7590
17:10
Chicago O'Hare (ORD) 3

18:28
Saint Louis (STL) 1
Effective 2025-05-10 through 2025-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3629)
Duration: 1:18, non-stop
Embraer EMB 175 (E75)
Cathay Pacific CX7590
17:10
Chicago O'Hare (ORD) 3

18:27
Saint Louis (STL) 1
Operates only on 2025-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1926)
Duration: 1:17, non-stop
Airbus A319 (319)
Cathay Pacific CX7590
17:10
Chicago O'Hare (ORD) 3

18:28
Saint Louis (STL) 1
Operates only on 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3629)
Duration: 1:18, non-stop
Embraer EMB 175 (E75)
Cathay Pacific CX7590
17:15
Chicago O'Hare (ORD) 3

18:33
Saint Louis (STL) 1
Effective 2025-05-05 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3678)
Duration: 1:18, non-stop
Embraer EMB 175 (E75)
Cathay Pacific CX7590
17:20
Chicago O'Hare (ORD) 3

18:32
Saint Louis (STL) 1
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1926)
Duration: 1:12, non-stop
Boeing 737-800 (738)
Cathay Pacific CX7590
17:49
Chicago O'Hare (ORD) 3

19:08
Saint Louis (STL) 1
Effective 2025-07-05 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6299)
Duration: 1:19, non-stop
Canadair CRJ 700 (CR7)
Cathay Pacific CX7590
17:55
Chicago O'Hare (ORD) 3

19:17
Saint Louis (STL) 1
Effective 2025-06-05 through 2025-06-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6299)
Duration: 1:22, non-stop
Canadair CRJ 700 (CR7)
Cathay Pacific CX7590
17:55
Chicago O'Hare (ORD) 3

19:17
Saint Louis (STL) 1
Operates only on 2025-07-03
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6299)
Duration: 1:22, non-stop
Canadair CRJ 700 (CR7)
Cathay Pacific CX7590
17:56
Chicago O'Hare (ORD) 3

19:11
Saint Louis (STL) 1
Effective 2025-07-01 through 2025-07-02
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1652)
Duration: 1:15, non-stop
Boeing 737-800 (738)
Cathay Pacific CX7590
18:30
Chicago O'Hare (ORD) 3

20:00
Saint Louis (STL) 1
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4924)
Duration: 1:30, non-stop
Canadair CRJ 700 (CR7)
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  • 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 1:12 and 1:30.
All ORD-STL flights
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