
(AC) Air Canada 3984 Flight Details
On time | Scheduled
Departure
COS
Colorado Springs Airport, CO, US
Flight Gate Times
13-Sep-2026
Scheduled
07:45
MDT
Estimated
07:45
MDT
Total Departure Delay: -
Flight Runway Times
13-Sep-2026
Scheduled
07:47
MDT
Actual
--
Runway Delay: -
Terminal
-
Gate
5
Craft Type
Canadair (Bombardier) Regional Jet 700 and Challenger 870
CR7
Flight Time
Scheduled
1h 18m
Arrival
DEN
Denver International Airport, CO, US
Flight Gate Times
13-Sep-2026
Scheduled
09:03
MDT
Estimated
09:03
MDT
Total Arrival Delay: -
Flight Runway Times
13-Sep-2026
Scheduled
08:03
MDT
Actual
--
Runway Delay: -
Terminal
-
Gate
B70
Baggage Claim
18
Tail Number
N785SK
Flight Time
Estimated
1h 18m
Flight Notes
Operated by SkyWest Airlines on behalf of United Airlines 4677
Also marketed as (UA) United Airlines 4677
Event Timeline
Date
Event
Data Updated
13 Sep
01:42
19:42
19:42
Gate Adjustment
Arrival Gate changed from B92 to B70
12 Sep
16:38
10:38
10:38
Equipment Adjustment
Tail Number changed from N723EV to N785SK
12 Sep
15:08
09:08
09:08
Gate Adjustment
Arrival Gate changed to B92
Baggage changed to 18
12 Sep
13:46
07:46
07:46
Time Adjustment
Scheduled Runway Departure changed to Sep-13-2026 7:47 AM
Scheduled Runway Arrival changed to Sep-13-2026 8:03 AM
12 Sep
04:08
22:08
22:08
Gate Adjustment
Departure Gate changed to 5
12 Sep
04:08
22:08
22:08
Equipment Adjustment
Tail Number changed from N789SK to N723EV
11 Sep
04:08
22:08
22:08
Time Adjustment
Estimated Gate Departure changed to Sep-13-2026 7:45 AM
Estimated Gate Arrival changed to Sep-13-2026 9:03 AM
Tail Number changed to N789SK
Actual Equipment changed to CR7
10 Sep
18:49
12:49
12:49
Record Created
10 Sep
18:49
12:49
12:49
Time Adjustment
Scheduled Gate Departure changed to Sep-13-2026 7:45 AM
Scheduled Gate Arrival changed to Sep-13-2026 9:03 AM
Scheduled Equipment changed to CR5