Air Canada flight AC 4878: Denver - Saint Louis via Houston George Bush

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 13:30 Denver (DEN) 16:26 Saint Louis (STL) 1
AC 4878 Non-stop Airbus A319 (319) 1:56 Effective from 2026-05-21
Codeshare flight, operated by United Airlines.(UA 1315)
Mon,Wed,Sun 13:45 Denver (DEN) 16:49 Saint Louis (STL) 1
AC 4878 Non-stop Boeing 737-900 (739) 2:04 Effective 2026-03-08 through 2026-03-25
Codeshare flight, operated by United Airlines.(UA 1315)
Daily 13:45 Denver (DEN) 16:52 Saint Louis (STL) 1
AC 4878 Non-stop Airbus A319 (319) 2:07 Effective 2026-03-29 through 2026-04-29
Codeshare flight, operated by United Airlines.(UA 1315)
Daily 13:48 Denver (DEN) 16:55 Saint Louis (STL) 1
AC 4878 Non-stop Boeing 737-800 (738) 2:07 Effective 2026-04-30 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 1315)
Thu 13:52 Denver (DEN) 16:56 Saint Louis (STL) 1
AC 4878 Non-stop Boeing 737-900 (739) 2:04 Effective 2026-03-05 through 2026-03-26
Codeshare flight, operated by United Airlines.(UA 1315)
Wed-Fri,Sun 13:53 Denver (DEN) 16:55 Saint Louis (STL) 1
AC 4878 Non-stop Boeing 737-800 (738) 2:02 Effective 2026-01-07 through 2026-01-18
Codeshare flight, operated by United Airlines.(UA 1315)
Mon,Wed-Fri,Sun 13:53 Denver (DEN) 16:55 Saint Louis (STL) 1
AC 4878 Non-stop Boeing 737-800 (738) 2:02 Effective 2026-01-19 through 2026-01-25
Codeshare flight, operated by United Airlines.(UA 1315)
Wed-Fri,Sun 13:53 Denver (DEN) 16:55 Saint Louis (STL) 1
AC 4878 Non-stop Boeing 737-800 (738) 2:02 Effective 2026-01-28 through 2026-02-11
Codeshare flight, operated by United Airlines.(UA 1315)
Mon,Wed,Thu 13:54 Denver (DEN) 16:58 Saint Louis (STL) 1
AC 4878 Non-stop Boeing 737-800 (738) 2:04 Effective 2026-02-12 through 2026-02-19
Codeshare flight, operated by United Airlines.(UA 1315)
Fri,Sun 13:54 Denver (DEN) 16:58 Saint Louis (STL) 1
AC 4878 Non-stop Airbus A319 (319) 2:04 Effective 2026-02-13 through 2026-02-15
Codeshare flight, operated by United Airlines.(UA 1315)
Fri 13:54 Denver (DEN) 16:58 Saint Louis (STL) 1
AC 4878 Non-stop Boeing 737 MAX 8 (7M8) 2:04 Effective 2026-02-20 through 2026-02-27
Codeshare flight, operated by United Airlines.(UA 1315)
Sun 13:54 Denver (DEN) 16:58 Saint Louis (STL) 1
AC 4878 Non-stop Airbus A319 (319) 2:04 Effective 2026-02-22 through 2026-03-01
Codeshare flight, operated by United Airlines.(UA 1315)
Wed,Thu 13:54 Denver (DEN) 16:58 Saint Louis (STL) 1
AC 4878 Non-stop Boeing 737-800 (738) 2:04 Effective 2026-02-25 through 2026-03-04
Codeshare flight, operated by United Airlines.(UA 1315)
Fri 13:55 Denver (DEN) 16:59 Saint Louis (STL) 1
AC 4878 Non-stop Boeing 737-900 (739) 2:04 Effective 2026-03-06 through 2026-03-27
Codeshare flight, operated by United Airlines.(UA 1315)
Thu 16:35 Houston George Bush (IAH) C 18:18 Denver (DEN)
AC 4878 Non-stop Boeing 737-900 (739) 2:43 Operates only on 2026-01-01
Codeshare flight, operated by United Airlines.(UA 2338)
Fri-Sun 16:35 Houston George Bush (IAH) C 18:19 Denver (DEN)
AC 4878 Non-stop Airbus A321neo (32Q) 2:44 Effective 2026-01-02 through 2026-01-04
Codeshare flight, operated by United Airlines.(UA 2338)
Mon 16:35 Houston George Bush (IAH) C 18:19 Denver (DEN)
AC 4878 Non-stop Boeing 737-900 (739) 2:44 Operates only on 2026-01-05
Codeshare flight, operated by United Airlines.(UA 2338)
Air Canada flight AC 4878:
Denver - Saint Louis via Houston George Bush
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Air Canada AC4878
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1315)
Duration: 1:56, non-stop
Airbus A319 (319)

Direct Codeshare Flights:

Air Canada AC4878
Effective 2026-03-08 through 2026-03-25
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1315)
Duration: 2:04, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4878
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1315)
Duration: 2:07, non-stop
Airbus A319 (319)

Direct Codeshare Flights:

Air Canada AC4878
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1315)
Duration: 2:07, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Air Canada AC4878
Effective 2026-03-05 through 2026-03-26
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1315)
Duration: 2:04, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4878
Effective 2026-01-07 through 2026-01-18
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1315)
Duration: 2:02, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Air Canada AC4878
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1315)
Duration: 2:02, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Air Canada AC4878
Effective 2026-01-28 through 2026-02-11
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1315)
Duration: 2:02, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Air Canada AC4878
Effective 2026-02-12 through 2026-02-19
Mon
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1315)
Duration: 2:04, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Air Canada AC4878
Effective 2026-02-13 through 2026-02-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1315)
Duration: 2:04, non-stop
Airbus A319 (319)

Direct Codeshare Flights:

Air Canada AC4878
Effective 2026-02-20 through 2026-02-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1315)
Duration: 2:04, non-stop
Boeing 737 MAX 8 (7M8)

Direct Codeshare Flights:

Air Canada AC4878
Effective 2026-02-22 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1315)
Duration: 2:04, non-stop
Airbus A319 (319)

Direct Codeshare Flights:

Air Canada AC4878
Effective 2026-02-25 through 2026-03-04
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1315)
Duration: 2:04, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Air Canada AC4878
Effective 2026-03-06 through 2026-03-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1315)
Duration: 2:04, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4878
Operates only on 2026-01-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2338)
Duration: 2:43, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4878
Effective 2026-01-02 through 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2338)
Duration: 2:44, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Air Canada AC4878
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2338)
Duration: 2:44, non-stop
Boeing 737-900 (739)
  • AC 4878 is a domestic flight departing from the Denver airport (DEN) and arriving at Saint Louis airport (STL).
  • The flight runs via Houston George Bush (IAH).
  • The flight distance is 767 miles, or 1235 km.
  • The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-6 . 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.