Air Canada flight AC 4243: Kansas City - Denver

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Tue,Thu,Fri 05:45 Kansas City (MCI) 07:01 Denver (DEN)
AC 4243 Non-stop Embraer EMB 175 (E7W) 2:16 Valid until 2026-01-09
Codeshare flight, operated by United Airlines.(UA 5611)
Sat,Sun 05:45 Kansas City (MCI) 06:59 Denver (DEN)
AC 4243 Non-stop Canadair CRJ 700 (CR7) 2:14 Effective 2026-01-03 through 2026-01-04
Codeshare flight, operated by United Airlines.(UA 5611)
Tue,Wed 05:45 Kansas City (MCI) 06:58 Denver (DEN)
AC 4243 Non-stop Embraer EMB 175 (E7W) 2:13 Effective 2026-01-07 through 2026-01-28
Codeshare flight, operated by United Airlines.(UA 5618)
Mon,Thu-Sun 05:45 Kansas City (MCI) 07:01 Denver (DEN)
AC 4243 Non-stop Embraer EMB 175 (E7W) 2:16 Effective 2026-01-10 through 2026-02-02
Codeshare flight, operated by United Airlines.(UA 5611)
Mon,Tue,Thu-Sun 05:45 Kansas City (MCI) 07:01 Denver (DEN)
AC 4243 Non-stop Embraer EMB 175 (E7W) 2:16 Effective 2026-02-03 through 2026-02-09
Codeshare flight, operated by United Airlines.(UA 5611)
Tue,Wed 05:45 Kansas City (MCI) 06:58 Denver (DEN)
AC 4243 Non-stop Embraer EMB 175 (E7W) 2:13 Effective 2026-02-10 through 2026-02-11
Codeshare flight, operated by United Airlines.(UA 5618)
Daily 05:54 Kansas City (MCI) 07:05 Denver (DEN)
AC 4243 Non-stop Embraer EMB 175 (E7W) 2:11 Effective 2026-02-12 through 2026-03-04
Codeshare flight, operated by United Airlines.(UA 5618)
Mon-Sat 06:00 Kansas City (MCI) 07:02 Denver (DEN)
AC 4243 Non-stop Boeing 737-900 (739) 2:02 Effective 2026-03-05 through 2026-03-28
Codeshare flight, operated by United Airlines.(UA 355)
Sun 06:00 Kansas City (MCI) 07:02 Denver (DEN)
AC 4243 Non-stop Boeing 737 MAX 8 (7M8) 2:02 Effective 2026-03-08 through 2026-03-22
Codeshare flight, operated by United Airlines.(UA 355)
Daily 06:00 Kansas City (MCI) 07:05 Denver (DEN)
AC 4243 Non-stop Embraer EMB 175 (E7W) 2:05 Effective 2026-03-29 through 2026-04-29
Codeshare flight, operated by United Airlines.(UA 5253)
Daily 06:00 Kansas City (MCI) 06:52 Denver (DEN)
AC 4243 Non-stop Boeing 737-800 (738) 1:52 Effective from 2026-04-30
Codeshare flight, operated by United Airlines.(UA 355)
Air Canada flight AC 4243:
Kansas City - Denver
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Air Canada AC4243
Valid until 2026-01-09
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 5611)
Duration: 2:16, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

Air Canada AC4243
Effective 2026-01-03 through 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5611)
Duration: 2:14, non-stop
Canadair CRJ 700 (CR7)

Direct Codeshare Flights:

Air Canada AC4243
Effective 2026-01-07 through 2026-01-28
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 5618)
Duration: 2:13, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

Air Canada AC4243
Effective 2026-01-10 through 2026-02-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5611)
Duration: 2:16, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

Air Canada AC4243
Effective 2026-02-03 through 2026-02-09
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5611)
Duration: 2:16, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

Air Canada AC4243
Effective 2026-02-10 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 5618)
Duration: 2:13, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

Air Canada AC4243
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5618)
Duration: 2:11, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

Air Canada AC4243
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 355)
Duration: 2:02, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4243
Effective 2026-03-08 through 2026-03-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 355)
Duration: 2:02, non-stop
Boeing 737 MAX 8 (7M8)

Direct Codeshare Flights:

Air Canada AC4243
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5253)
Duration: 2:05, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

Air Canada AC4243
Effective from 2026-04-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 355)
Duration: 1:52, non-stop
Boeing 737-800 (738)
  • AC 4243 is a domestic flight departing from the Kansas City airport (MCI) and arriving at Denver airport (DEN).
  • The flight distance is 531 miles, or 854 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 1:52 and 2:16.