Avianca flight AV 2331: Saint Louis - Chicago O'Hare

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Wed 09:30 Saint Louis (STL) 1 10:57 Chicago O'Hare (ORD) 2
AV 2331 Non-stop Canadair CRJ 550 (CR5) 1:27 Effective 2026-05-18 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 4601)
Daily 09:30 Saint Louis (STL) 1 10:58 Chicago O'Hare (ORD) 2
AV 2331 Non-stop Canadair CRJ 550 (CR5) 1:28 Effective 2026-05-21 through 2026-08-23
Codeshare flight, operated by United Airlines.(UA 4601)
Thu,Sun 09:55 Saint Louis (STL) 1 11:30 Chicago O'Hare (ORD) 2
AV 2331 Non-stop Canadair CRJ 550 (CR5) 1:35 Valid until 2026-01-04
Codeshare flight, operated by United Airlines.(UA 4597)
Wed,Fri,Sun 09:57 Saint Louis (STL) 1 11:32 Chicago O'Hare (ORD) 2
AV 2331 Non-stop Canadair CRJ 550 (CR5) 1:35 Effective 2026-01-07 through 2026-01-30
Codeshare flight, operated by United Airlines.(UA 4389)
Tue,Thu 10:00 Saint Louis (STL) 1 11:29 Chicago O'Hare (ORD) 2
AV 2331 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2026-04-02 through 2026-04-07
Codeshare flight, operated by United Airlines.(UA 4601)
Wed,Fri 10:00 Saint Louis (STL) 1 11:29 Chicago O'Hare (ORD) 2
AV 2331 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2026-04-10 through 2026-04-15
Codeshare flight, operated by United Airlines.(UA 4601)
Tue,Thu 10:00 Saint Louis (STL) 1 11:29 Chicago O'Hare (ORD) 2
AV 2331 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2026-04-23 through 2026-04-28
Codeshare flight, operated by United Airlines.(UA 4601)
Daily 10:30 Saint Louis (STL) 1 11:58 Chicago O'Hare (ORD) 2
AV 2331 Non-stop Canadair CRJ 550 (CR5) 1:28 Effective 2026-04-30 through 2026-05-17
Codeshare flight, operated by United Airlines.(UA 4395)
Tue,Wed,Fri,Sat 11:05 Saint Louis (STL) 1 12:40 Chicago O'Hare (ORD) 2
AV 2331 Non-stop Canadair CRJ 550 (CR5) 1:35 Valid until 2026-01-03
Codeshare flight, operated by United Airlines.(UA 4405)
Tue,Thu,Sat 11:20 Saint Louis (STL) 1 12:55 Chicago O'Hare (ORD) 2
AV 2331 Non-stop Canadair CRJ 550 (CR5) 1:35 Effective 2026-01-06 through 2026-01-31
Codeshare flight, operated by United Airlines.(UA 4395)
Mon-Wed,Fri-Sun 11:25 Saint Louis (STL) 1 12:54 Chicago O'Hare (ORD) 2
AV 2331 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2026-03-29 through 2026-04-06
Codeshare flight, operated by United Airlines.(UA 4395)
Mon-Thu,Sat,Sun 11:25 Saint Louis (STL) 1 12:54 Chicago O'Hare (ORD) 2
AV 2331 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2026-04-08 through 2026-04-14
Codeshare flight, operated by United Airlines.(UA 4395)
Daily 11:25 Saint Louis (STL) 1 12:54 Chicago O'Hare (ORD) 2
AV 2331 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2026-04-16 through 2026-04-22
Codeshare flight, operated by United Airlines.(UA 4395)
Mon,Wed,Fri-Sun 11:25 Saint Louis (STL) 1 12:54 Chicago O'Hare (ORD) 2
AV 2331 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2026-04-24 through 2026-04-29
Codeshare flight, operated by United Airlines.(UA 4395)
Daily 11:45 Saint Louis (STL) 1 13:12 Chicago O'Hare (ORD) 2
AV 2331 Non-stop Canadair CRJ 550 (CR5) 1:27 Effective 2026-08-24 through 2026-10-24
Codeshare flight, operated by United Airlines.(UA 4395)
Sat 13:11 Saint Louis (STL) 1 14:44 Chicago O'Hare (ORD) 2
AV 2331 Non-stop Canadair CRJ 550 (CR5) 1:33 Effective 2026-02-14 through 2026-02-28
Codeshare flight, operated by United Airlines.(UA 4428)
Mon 16:49 Saint Louis (STL) 1 18:32 Chicago O'Hare (ORD) 2
AV 2331 Non-stop Canadair CRJ 550 (CR5) 1:43 Effective 2026-01-12 through 2026-01-26
Codeshare flight, operated by United Airlines.(UA 4494)
Daily 16:49 Saint Louis (STL) 1 18:32 Chicago O'Hare (ORD) 2
AV 2331 Non-stop Canadair CRJ 550 (CR5) 1:43 Effective 2026-02-01 through 2026-02-11
Codeshare flight, operated by United Airlines.(UA 4494)
Mon-Fri,Sun 16:49 Saint Louis (STL) 1 18:22 Chicago O'Hare (ORD) 2
AV 2331 Non-stop Canadair CRJ 550 (CR5) 1:33 Effective 2026-02-12 through 2026-03-04
Codeshare flight, operated by United Airlines.(UA 4487)
Mon 17:02 Saint Louis (STL) 1 18:45 Chicago O'Hare (ORD) 2
AV 2331 Non-stop Canadair CRJ 550 (CR5) 1:43 Valid until 2026-01-05
Codeshare flight, operated by United Airlines.(UA 4526)
Daily 18:45 Saint Louis (STL) 1 20:09 Chicago O'Hare (ORD) 2
AV 2331 Non-stop Canadair CRJ 550 (CR5) 1:24 Effective from 2026-10-25
Codeshare flight, operated by United Airlines.(UA 4616)
Daily 19:00 Saint Louis (STL) 1 20:33 Chicago O'Hare (ORD) 2
AV 2331 Non-stop Canadair CRJ 550 (CR5) 1:33 Effective 2026-03-05 through 2026-03-28
Codeshare flight, operated by United Airlines.(UA 5417)


Feedback - Disclaimer - Privacy
FlightMapper.net Flight Search Countries Airlines
LANGUAGES
Avianca flight AV 2331:
Saint Louis - Chicago O'Hare
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Avianca AV2331
09:30
Saint Louis (STL) 1

10:57
Chicago O'Hare (ORD) 2
Effective 2026-05-18 through 2026-05-20
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 4601)
Duration: 1:27, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Avianca AV2331
09:30
Saint Louis (STL) 1

10:58
Chicago O'Hare (ORD) 2
Effective 2026-05-21 through 2026-08-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4601)
Duration: 1:28, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Avianca AV2331
09:55
Saint Louis (STL) 1

11:30
Chicago O'Hare (ORD) 2
Valid until 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 4597)
Duration: 1:35, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Avianca AV2331
09:57
Saint Louis (STL) 1

11:32
Chicago O'Hare (ORD) 2
Effective 2026-01-07 through 2026-01-30
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 4389)
Duration: 1:35, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Avianca AV2331
10:00
Saint Louis (STL) 1

11:29
Chicago O'Hare (ORD) 2
Effective 2026-04-02 through 2026-04-07
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 4601)
Duration: 1:29, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Avianca AV2331
10:00
Saint Louis (STL) 1

11:29
Chicago O'Hare (ORD) 2
Effective 2026-04-10 through 2026-04-15
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 4601)
Duration: 1:29, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Avianca AV2331
10:00
Saint Louis (STL) 1

11:29
Chicago O'Hare (ORD) 2
Effective 2026-04-23 through 2026-04-28
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 4601)
Duration: 1:29, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Avianca AV2331
10:30
Saint Louis (STL) 1

11:58
Chicago O'Hare (ORD) 2
Effective 2026-04-30 through 2026-05-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4395)
Duration: 1:28, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Avianca AV2331
11:05
Saint Louis (STL) 1

12:40
Chicago O'Hare (ORD) 2
Valid until 2026-01-03
Mon
-
Tue
Wed
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 4405)
Duration: 1:35, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Avianca AV2331
11:20
Saint Louis (STL) 1

12:55
Chicago O'Hare (ORD) 2
Effective 2026-01-06 through 2026-01-31
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 4395)
Duration: 1:35, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Avianca AV2331
11:25
Saint Louis (STL) 1

12:54
Chicago O'Hare (ORD) 2
Effective 2026-03-29 through 2026-04-06
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4395)
Duration: 1:29, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Avianca AV2331
11:25
Saint Louis (STL) 1

12:54
Chicago O'Hare (ORD) 2
Effective 2026-04-08 through 2026-04-14
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4395)
Duration: 1:29, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Avianca AV2331
11:25
Saint Louis (STL) 1

12:54
Chicago O'Hare (ORD) 2
Effective 2026-04-16 through 2026-04-22
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4395)
Duration: 1:29, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Avianca AV2331
11:25
Saint Louis (STL) 1

12:54
Chicago O'Hare (ORD) 2
Effective 2026-04-24 through 2026-04-29
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4395)
Duration: 1:29, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Avianca AV2331
11:45
Saint Louis (STL) 1

13:12
Chicago O'Hare (ORD) 2
Effective 2026-08-24 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4395)
Duration: 1:27, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Avianca AV2331
13:11
Saint Louis (STL) 1

14:44
Chicago O'Hare (ORD) 2
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 4428)
Duration: 1:33, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Avianca AV2331
16:49
Saint Louis (STL) 1

18:32
Chicago O'Hare (ORD) 2
Effective 2026-01-12 through 2026-01-26
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 4494)
Duration: 1:43, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Avianca AV2331
16:49
Saint Louis (STL) 1

18:32
Chicago O'Hare (ORD) 2
Effective 2026-02-01 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4494)
Duration: 1:43, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Avianca AV2331
16:49
Saint Louis (STL) 1

18:22
Chicago O'Hare (ORD) 2
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 4487)
Duration: 1:33, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Avianca AV2331
17:02
Saint Louis (STL) 1

18:45
Chicago O'Hare (ORD) 2
Valid until 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 4526)
Duration: 1:43, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Avianca AV2331
18:45
Saint Louis (STL) 1

20:09
Chicago O'Hare (ORD) 2
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4616)
Duration: 1:24, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Avianca AV2331
19:00
Saint Louis (STL) 1

20:33
Chicago O'Hare (ORD) 2
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5417)
Duration: 1:33, non-stop
Canadair CRJ 550 (CR5)
  • AV 2331 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 1:24 and 1:43.
All Avianca flights
All STL-ORD flights
Return (ORD-STL) flights
Feedback     -     Disclaimer     -     Privacy