(AC) Air Canada 3984 Flight Details
On time | Scheduled
Departure
COS
Colorado Springs Airport, CO, US
Flight Gate Times
28-Feb-2026
Scheduled
08:00
MST
Estimated
08:00
MST
Total Departure Delay: -
Flight Runway Times
28-Feb-2026
Scheduled
08:23
MST
Actual
--
Runway Delay: -
Terminal
-
Gate
7
Craft Type
Canadair (Bombardier) Regional Jet 200
CR2
Flight Time
Scheduled
1h 7m
Arrival
DEN
Denver International Airport, CO, US
Flight Gate Times
28-Feb-2026
Scheduled
09:07
MST
Estimated
09:07
MST
Total Arrival Delay: -
Flight Runway Times
28-Feb-2026
Scheduled
08:58
MST
Actual
--
Runway Delay: -
Terminal
-
Gate
B82
Baggage Claim
18
Tail Number
N957SW
Flight Time
Estimated
1h 7m
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
27 Feb
16:08
09:08
09:08
Gate Adjustment
Arrival Gate changed to B82
Baggage changed to 18
27 Feb
15:06
08:06
08:06
Time Adjustment
Scheduled Runway Departure changed from Feb-28-2026 8:19 AM to Feb-28-2026 8:23 AM
Scheduled Runway Arrival changed from Feb-28-2026 8:35 AM to Feb-28-2026 8:58 AM
27 Feb
15:01
08:01
08:01
Time Adjustment
Scheduled Runway Departure changed to Feb-28-2026 8:19 AM
Scheduled Runway Arrival changed to Feb-28-2026 8:35 AM
27 Feb
03:14
20:14
20:14
Equipment Adjustment
Tail Number changed from N978SW to N957SW
27 Feb
02:08
19:08
19:08
Equipment Adjustment
Tail Number changed from N445SW to N978SW
27 Feb
01:14
18:14
18:14
Equipment Adjustment
Tail Number changed from N978SW to N445SW
26 Feb
18:08
11:08
11:08
Gate Adjustment
Departure Gate changed from 5 to 7
26 Feb
16:33
09:33
09:33
Equipment Adjustment
Tail Number changed from N932EV to N978SW
26 Feb
16:08
09:08
09:08
Equipment Adjustment
Tail Number changed from N978SW to N932EV
26 Feb
11:14
04:14
04:14
Gate Adjustment
Departure Gate changed to 5
26 Feb
04:08
21:08
21:08
Time Adjustment
Estimated Gate Departure changed to Feb-28-2026 8:00 AM
Estimated Gate Arrival changed to Feb-28-2026 9:07 AM
Tail Number changed to N978SW
Actual Equipment changed to CR2
25 Feb
18:46
11:46
11:46
Record Created
25 Feb
18:46
11:46
11:46
Time Adjustment
Scheduled Gate Departure changed to Feb-28-2026 8:00 AM
Scheduled Gate Arrival changed to Feb-28-2026 9:07 AM
Scheduled Equipment changed to CRJ