Air Canada flights from Saint Louis (STL) to Denver (DEN).

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 05:15 Saint Louis (STL) 1 06:52 Denver (DEN)
Air Canada AC 4569 Non-stop Embraer EMB 175 (E7W) 2:37 Effective 2025-06-26 through 2025-07-04
Codeshare flight, operated by United Airlines.(UA 5979)
Daily 05:15 Saint Louis (STL) 1 06:52 Denver (DEN)
Air Canada AC 4569 Non-stop Embraer EMB 175 (E7W) 2:37 Effective 2025-07-06 through 2025-08-18
Codeshare flight, operated by United Airlines.(UA 5979)
Daily 05:15 Saint Louis (STL) 1 06:53 Denver (DEN)
Air Canada AC 4569 Non-stop Embraer EMB 175 (E7W) 2:38 Effective 2025-09-25 through 2025-10-25
Codeshare flight, operated by United Airlines.(UA 5979)
Thu 05:20 Saint Louis (STL) 1 06:52 Denver (DEN)
Air Canada AC 4569 Non-stop Boeing 737 MAX 8 (7M8) 2:32 Operates only on 2025-05-01
Codeshare flight, operated by United Airlines.(UA 1469)
Mon-Fri,Sun 05:20 Saint Louis (STL) 1 06:59 Denver (DEN)
Air Canada AC 4569 Non-stop Embraer EMB 175 (E7W) 2:39 Effective 2025-05-02 through 2025-05-21
Codeshare flight, operated by United Airlines.(UA 5605)
Thu 05:20 Saint Louis (STL) 1 06:50 Denver (DEN)
Air Canada AC 4569 Non-stop Airbus A319 (319) 2:30 Operates only on 2025-05-22
Codeshare flight, operated by United Airlines.(UA 2316)
Daily 05:20 Saint Louis (STL) 1 06:57 Denver (DEN)
Air Canada AC 4569 Non-stop Embraer EMB 175 (E7W) 2:37 Effective 2025-05-23 through 2025-06-25
Codeshare flight, operated by United Airlines.(UA 5979)
Daily 05:30 Saint Louis (STL) 1 06:56 Denver (DEN)
Air Canada AC 4569 Non-stop Embraer EMB 175 (E7W) 2:26 Effective 2025-08-19 through 2025-09-24
Codeshare flight, operated by United Airlines.(UA 5979)
Sat 10:30 Saint Louis (STL) 1 12:07 Denver (DEN)
Air Canada AC 4569 Non-stop Embraer EMB 175 (E7W) 2:37 Effective 2025-05-03 through 2025-05-17
Codeshare flight, operated by United Airlines.(UA 5765)
Sat 11:00 Saint Louis (STL) 1 12:24 Denver (DEN)
Air Canada AC 4569 Non-stop Embraer EMB 175 (E7W) 2:24 Operates only on 2025-07-05
Codeshare flight, operated by United Airlines.(UA 4781)
Daily 13:30 Saint Louis (STL) 1 15:00 Denver (DEN)
Air Canada AC 4886 Non-stop Airbus A320 (320) 2:30 Effective 2025-08-19 through 2025-09-24
Codeshare flight, operated by United Airlines.(UA 2625)
Daily 13:30 Saint Louis (STL) 1 15:00 Denver (DEN)
Air Canada AC 4886 Non-stop Airbus A319 (319) 2:30 Effective from 2025-10-26
Codeshare flight, operated by United Airlines.(UA 2625)
Daily 13:39 Saint Louis (STL) 1 15:00 Denver (DEN)
Air Canada AC 4886 Non-stop Airbus A320 (320) 2:21 Effective 2025-09-25 through 2025-10-25
Codeshare flight, operated by United Airlines.(UA 2625)
Daily 13:41 Saint Louis (STL) 1 15:10 Denver (DEN)
Air Canada AC 4886 Non-stop Airbus A319 (319) 2:29 Valid until 2025-05-21
Codeshare flight, operated by United Airlines.(UA 2633)
Mon,Wed-Fri,Sun 13:42 Saint Louis (STL) 1 15:00 Denver (DEN)
Air Canada AC 4886 Non-stop Airbus A319 (319) 2:18 Effective 2025-05-22 through 2025-06-25
Codeshare flight, operated by United Airlines.(UA 2625)
Tue,Sat 13:42 Saint Louis (STL) 1 15:00 Denver (DEN)
Air Canada AC 4886 Non-stop Airbus A320 (320) 2:18 Effective 2025-05-24 through 2025-06-24
Codeshare flight, operated by United Airlines.(UA 2625)
Daily 13:42 Saint Louis (STL) 1 14:59 Denver (DEN)
Air Canada AC 4886 Non-stop Airbus A320 (320) 2:17 Effective 2025-06-26 through 2025-08-18
Codeshare flight, operated by United Airlines.(UA 2625)
Daily 16:30 Saint Louis (STL) 1 17:50 Denver (DEN)
Air Canada AC 4897 Non-stop Airbus A319 (319) 2:20 Effective 2025-08-19 through 2025-09-24
Codeshare flight, operated by United Airlines.(UA 2405)
Daily 16:30 Saint Louis (STL) 1 17:50 Denver (DEN)
Air Canada AC 4897 Non-stop Airbus A319 (319) 2:20 Effective from 2025-10-26
Codeshare flight, operated by United Airlines.(UA 2405)
Mon-Thu,Sat,Sun 16:32 Saint Louis (STL) 1 18:01 Denver (DEN)
Air Canada AC 4897 Non-stop Boeing 737-800 (738) 2:29 Effective 2025-05-22 through 2025-06-25
Codeshare flight, operated by United Airlines.(UA 431)
Fri 16:32 Saint Louis (STL) 1 18:01 Denver (DEN)
Air Canada AC 4897 Non-stop Boeing 737 MAX 8 (7M8) 2:29 Effective 2025-05-23 through 2025-06-20
Codeshare flight, operated by United Airlines.(UA 431)
Daily 16:40 Saint Louis (STL) 1 18:01 Denver (DEN)
Air Canada AC 4897 Non-stop Boeing 737 MAX 8 (7M8) 2:21 Effective 2025-09-25 through 2025-10-25
Codeshare flight, operated by United Airlines.(UA 2405)
Mon-Sat 16:45 Saint Louis (STL) 1 18:15 Denver (DEN)
Air Canada AC 4897 Non-stop Airbus A319 (319) 2:30 Valid until 2025-05-10
Codeshare flight, operated by United Airlines.(UA 2618)
Sun 16:45 Saint Louis (STL) 1 18:15 Denver (DEN)
Air Canada AC 4897 Non-stop Airbus A320 (320) 2:30 Operates only on 2025-05-04
Codeshare flight, operated by United Airlines.(UA 2618)
Daily 16:45 Saint Louis (STL) 1 18:15 Denver (DEN)
Air Canada AC 4897 Non-stop Airbus A319 (319) 2:30 Effective 2025-05-11 through 2025-05-21
Codeshare flight, operated by United Airlines.(UA 2618)
Daily 16:45 Saint Louis (STL) 1 18:09 Denver (DEN)
Air Canada AC 4897 Non-stop Airbus A320 (320) 2:24 Effective 2025-06-26 through 2025-08-18
Codeshare flight, operated by United Airlines.(UA 1464)
Thu,Fri 08:48 Saint Louis (STL) 1 10:18 Denver (DEN)
Air Canada AC 4948 Non-stop Airbus A319 (319) 2:30 Valid until 2025-05-02
Codeshare flight, operated by United Airlines.(UA 1396)
Daily 08:48 Saint Louis (STL) 1 10:18 Denver (DEN)
Air Canada AC 4948 Non-stop Airbus A320 (320) 2:30 Effective 2025-05-03 through 2025-05-21
Codeshare flight, operated by United Airlines.(UA 1029)
Thu 08:54 Saint Louis (STL) 1 10:17 Denver (DEN)
Air Canada AC 4948 Non-stop Boeing 737-900 (739) 2:23 Operates only on 2025-06-26
Codeshare flight, operated by United Airlines.(UA 1396)
Daily 08:54 Saint Louis (STL) 1 10:18 Denver (DEN)
Air Canada AC 4948 Non-stop Airbus A320 (320) 2:24 Effective 2025-06-27 through 2025-08-18
Codeshare flight, operated by United Airlines.(UA 1396)
Daily 09:00 Saint Louis (STL) 1 10:21 Denver (DEN)
Air Canada AC 4948 Non-stop Boeing 737-900 (739) 2:21 Effective 2025-09-25 through 2025-10-25
Codeshare flight, operated by United Airlines.(UA 1396)
Mon-Thu,Sat,Sun 09:10 Saint Louis (STL) 1 10:34 Denver (DEN)
Air Canada AC 4948 Non-stop Boeing 737-800 (738) 2:24 Effective 2025-05-22 through 2025-05-29
Codeshare flight, operated by United Airlines.(UA 1396)
Fri 09:10 Saint Louis (STL) 1 10:34 Denver (DEN)
Air Canada AC 4948 Non-stop Boeing 737-900 (739) 2:24 Operates only on 2025-05-23
Codeshare flight, operated by United Airlines.(UA 1396)
Daily 09:10 Saint Louis (STL) 1 10:34 Denver (DEN)
Air Canada AC 4948 Non-stop Boeing 737-800 (738) 2:24 Effective 2025-05-30 through 2025-06-25
Codeshare flight, operated by United Airlines.(UA 1396)
Daily 09:13 Saint Louis (STL) 1 10:35 Denver (DEN)
Air Canada AC 4948 Non-stop Boeing 737-900 (739) 2:22 Effective 2025-08-19 through 2025-09-24
Codeshare flight, operated by United Airlines.(UA 1396)
Daily 09:13 Saint Louis (STL) 1 10:35 Denver (DEN)
Air Canada AC 4948 Non-stop Airbus A319 (319) 2:22 Effective from 2025-10-26
Codeshare flight, operated by United Airlines.(UA 1396)
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Air Canada flights from Saint Louis (STL) to Denver (DEN).
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC4569
05:15
Saint Louis (STL) 1

06:52
Denver (DEN)
Effective 2025-06-26 through 2025-07-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5979)
Duration: 2:37, non-stop
Embraer EMB 175 (E7W)
Air Canada AC4569
05:15
Saint Louis (STL) 1

06:52
Denver (DEN)
Effective 2025-07-06 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5979)
Duration: 2:37, non-stop
Embraer EMB 175 (E7W)
Air Canada AC4569
05:15
Saint Louis (STL) 1

06:53
Denver (DEN)
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5979)
Duration: 2:38, non-stop
Embraer EMB 175 (E7W)
Air Canada AC4569
05:20
Saint Louis (STL) 1

06:52
Denver (DEN)
Operates only on 2025-05-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1469)
Duration: 2:32, non-stop
Boeing 737 MAX 8 (7M8)
Air Canada AC4569
05:20
Saint Louis (STL) 1

06:59
Denver (DEN)
Effective 2025-05-02 through 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 5605)
Duration: 2:39, non-stop
Embraer EMB 175 (E7W)
Air Canada AC4569
05:20
Saint Louis (STL) 1

06:50
Denver (DEN)
Operates only on 2025-05-22
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2316)
Duration: 2:30, non-stop
Airbus A319 (319)
Air Canada AC4569
05:20
Saint Louis (STL) 1

06:57
Denver (DEN)
Effective 2025-05-23 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5979)
Duration: 2:37, non-stop
Embraer EMB 175 (E7W)
Air Canada AC4569
05:30
Saint Louis (STL) 1

06:56
Denver (DEN)
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5979)
Duration: 2:26, non-stop
Embraer EMB 175 (E7W)
Air Canada AC4569
10:30
Saint Louis (STL) 1

12:07
Denver (DEN)
Effective 2025-05-03 through 2025-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 5765)
Duration: 2:37, non-stop
Embraer EMB 175 (E7W)
Air Canada AC4569
11:00
Saint Louis (STL) 1

12:24
Denver (DEN)
Operates only on 2025-07-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 4781)
Duration: 2:24, non-stop
Embraer EMB 175 (E7W)
Air Canada AC4886
13:30
Saint Louis (STL) 1

15:00
Denver (DEN)
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2625)
Duration: 2:30, non-stop
Airbus A320 (320)
Air Canada AC4886
13:30
Saint Louis (STL) 1

15:00
Denver (DEN)
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2625)
Duration: 2:30, non-stop
Airbus A319 (319)
Air Canada AC4886
13:39
Saint Louis (STL) 1

15:00
Denver (DEN)
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2625)
Duration: 2:21, non-stop
Airbus A320 (320)
Air Canada AC4886
13:41
Saint Louis (STL) 1

15:10
Denver (DEN)
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2633)
Duration: 2:29, non-stop
Airbus A319 (319)
Air Canada AC4886
13:42
Saint Louis (STL) 1

15:00
Denver (DEN)
Effective 2025-05-22 through 2025-06-25
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2625)
Duration: 2:18, non-stop
Airbus A319 (319)
Air Canada AC4886
13:42
Saint Louis (STL) 1

15:00
Denver (DEN)
Effective 2025-05-24 through 2025-06-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2625)
Duration: 2:18, non-stop
Airbus A320 (320)
Air Canada AC4886
13:42
Saint Louis (STL) 1

14:59
Denver (DEN)
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2625)
Duration: 2:17, non-stop
Airbus A320 (320)
Air Canada AC4897
16:30
Saint Louis (STL) 1

17:50
Denver (DEN)
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2405)
Duration: 2:20, non-stop
Airbus A319 (319)
Air Canada AC4897
16:30
Saint Louis (STL) 1

17:50
Denver (DEN)
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2405)
Duration: 2:20, non-stop
Airbus A319 (319)
Air Canada AC4897
16:32
Saint Louis (STL) 1

18:01
Denver (DEN)
Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 431)
Duration: 2:29, non-stop
Boeing 737-800 (738)
Air Canada AC4897
16:32
Saint Louis (STL) 1

18:01
Denver (DEN)
Effective 2025-05-23 through 2025-06-20
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 431)
Duration: 2:29, non-stop
Boeing 737 MAX 8 (7M8)
Air Canada AC4897
16:40
Saint Louis (STL) 1

18:01
Denver (DEN)
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2405)
Duration: 2:21, non-stop
Boeing 737 MAX 8 (7M8)
Air Canada AC4897
16:45
Saint Louis (STL) 1

18:15
Denver (DEN)
Valid until 2025-05-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2618)
Duration: 2:30, non-stop
Airbus A319 (319)
Air Canada AC4897
16:45
Saint Louis (STL) 1

18:15
Denver (DEN)
Operates only on 2025-05-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2618)
Duration: 2:30, non-stop
Airbus A320 (320)
Air Canada AC4897
16:45
Saint Louis (STL) 1

18:15
Denver (DEN)
Effective 2025-05-11 through 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2618)
Duration: 2:30, non-stop
Airbus A319 (319)
Air Canada AC4897
16:45
Saint Louis (STL) 1

18:09
Denver (DEN)
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1464)
Duration: 2:24, non-stop
Airbus A320 (320)
Air Canada AC4948
08:48
Saint Louis (STL) 1

10:18
Denver (DEN)
Valid until 2025-05-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1396)
Duration: 2:30, non-stop
Airbus A319 (319)
Air Canada AC4948
08:48
Saint Louis (STL) 1

10:18
Denver (DEN)
Effective 2025-05-03 through 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1029)
Duration: 2:30, non-stop
Airbus A320 (320)
Air Canada AC4948
08:54
Saint Louis (STL) 1

10:17
Denver (DEN)
Operates only on 2025-06-26
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1396)
Duration: 2:23, non-stop
Boeing 737-900 (739)
Air Canada AC4948
08:54
Saint Louis (STL) 1

10:18
Denver (DEN)
Effective 2025-06-27 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1396)
Duration: 2:24, non-stop
Airbus A320 (320)
Air Canada AC4948
09:00
Saint Louis (STL) 1

10:21
Denver (DEN)
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1396)
Duration: 2:21, non-stop
Boeing 737-900 (739)
Air Canada AC4948
09:10
Saint Louis (STL) 1

10:34
Denver (DEN)
Effective 2025-05-22 through 2025-05-29
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1396)
Duration: 2:24, non-stop
Boeing 737-800 (738)
Air Canada AC4948
09:10
Saint Louis (STL) 1

10:34
Denver (DEN)
Operates only on 2025-05-23
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1396)
Duration: 2:24, non-stop
Boeing 737-900 (739)
Air Canada AC4948
09:10
Saint Louis (STL) 1

10:34
Denver (DEN)
Effective 2025-05-30 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1396)
Duration: 2:24, non-stop
Boeing 737-800 (738)
Air Canada AC4948
09:13
Saint Louis (STL) 1

10:35
Denver (DEN)
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1396)
Duration: 2:22, non-stop
Boeing 737-900 (739)
Air Canada AC4948
09:13
Saint Louis (STL) 1

10:35
Denver (DEN)
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1396)
Duration: 2:22, non-stop
Airbus A319 (319)
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Parallax here STL-DEN
  • A domestic route departing from the Saint Louis airport (STL) and arriving at Denver airport (DEN).
  • The flight distance is 767 miles, or 1235 km.
  • The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-7 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 2:17 and 2:39.
All STL-DEN flights
All Air Canada flights
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