Air Canada
flight
AC 3984:
Colorado Springs - Denver
Colorado Springs - Denver
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC3984
Effective 2026-01-08 through 2026-01-15
Mon
Tue
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-
Wed
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Thu
Fri
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-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4677)
Duration: 1:14, non-stop Canadair CRJ (CRJ)
Direct Codeshare Flights:
Air Canada AC3984
Effective 2026-01-16 through 2026-01-23
Mon
-
-
Tue
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-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 4677)
Duration: 1:14, non-stop Canadair CRJ (CRJ)
Direct Codeshare Flights:
Air Canada AC3984
Effective 2026-01-24 through 2026-01-31
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 4677)
Duration: 1:14, non-stop Canadair CRJ (CRJ)
Direct Codeshare Flights:
Air Canada AC3984
Effective 2026-02-01 through 2026-02-08
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4677)
Duration: 1:14, non-stop Canadair CRJ (CRJ)
Direct Codeshare Flights:
Air Canada AC3984
Operates only on 2026-02-09
Mon
Tue
-
-
Wed
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Thu
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-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 4677)
Duration: 1:14, non-stop Canadair CRJ (CRJ)
Direct Codeshare Flights:
Air Canada AC3984
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4677)
Duration: 1:05, non-stop Canadair CRJ (CRJ)
Direct Codeshare Flights:
Air Canada AC3984
Effective from 2026-10-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2244)
Duration: 0:54, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC3984
Valid until 2026-01-05
Mon
Tue
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-
Wed
Thu
Fri
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-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 4677)
Duration: 1:14, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC3984
Effective 2026-03-05 through 2026-03-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4677)
Duration: 1:07, non-stop Canadair CRJ (CRJ)
Direct Codeshare Flights:
Air Canada AC3984
Effective 2026-03-13 through 2026-03-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4677)
Duration: 1:07, non-stop Canadair CRJ (CRJ)
Direct Codeshare Flights:
Air Canada AC3984
Effective 2026-03-21 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4677)
Duration: 1:07, non-stop Canadair CRJ (CRJ)
Direct Codeshare Flights:
Air Canada AC3984
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4677)
Duration: 1:05, non-stop Canadair CRJ (CRJ)
Direct Codeshare Flights:
Air Canada AC3984
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4677)
Duration: 1:07, non-stop Canadair CRJ (CRJ)
Direct Codeshare Flights:
Air Canada AC3984
Effective 2026-05-21 through 2026-10-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4677)
Duration: 0:53, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC3984
Valid until 2026-01-04
Mon
-
-
Tue
Wed
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-
Thu
-
-
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 5536)
Duration: 1:14, non-stop Canadair CRJ (CRJ)
Direct Codeshare Flights:
Air Canada AC3984
Operates only on 2026-01-09
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 5634)
Duration: 1:14, non-stop Canadair CRJ (CRJ)
Direct Codeshare Flights:
Air Canada AC3984
Effective 2026-01-17 through 2026-01-19
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 5634)
Duration: 1:14, non-stop Canadair CRJ (CRJ)
Direct Codeshare Flights:
Air Canada AC3984
Operates only on 2026-01-25
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 5634)
Duration: 1:14, non-stop Canadair CRJ (CRJ)
Direct Codeshare Flights:
Air Canada AC3984
Operates only on 2026-02-02
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 5634)
Duration: 1:14, non-stop Canadair CRJ (CRJ)
Direct Codeshare Flights:
Air Canada AC3984
Operates only on 2026-03-12
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 5400)
Duration: 1:07, non-stop Canadair CRJ (CRJ)
Direct Codeshare Flights:
Air Canada AC3984
Operates only on 2026-03-20
Mon
-
-
Tue
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-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 5400)
Duration: 1:07, non-stop Canadair CRJ (CRJ)
Direct Codeshare Flights:
Air Canada AC3984
Operates only on 2026-01-06
Mon
-
-
Tue
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 5634)
Duration: 1:14, non-stop Canadair CRJ (CRJ)
Direct Codeshare Flights:
Air Canada AC3984
Operates only on 2026-01-27
Mon
-
-
Tue
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 5634)
Duration: 1:14, non-stop Canadair CRJ (CRJ)
Direct Codeshare Flights:
Air Canada AC3984
Operates only on 2026-02-10
Mon
-
-
Tue
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 5634)
Duration: 1:14, non-stop Canadair CRJ (CRJ)
- AC 3984 is a domestic flight departing from the Colorado Springs airport (COS) and arriving at Denver airport (DEN).
- The flight distance is 73 miles, or 117 km.
- The timezone of both the departure and the arrival airports is UTC-7 . Current time at both airports is (loading...).
- For direct flights, the flight time varies between 0:53 and 1:14.