(UA) United Airlines 2121 Flight Details
On time | Scheduled
Departure
DEN
Denver International Airport, CO, US
Flight Gate Times
02-Sep-2026
Scheduled
17:59
MDT
Estimated
17:59
MDT
Total Departure Delay: -
Flight Runway Times
02-Sep-2026
Scheduled
18:06
MDT
Actual
--
Runway Delay: -
Terminal
-
Gate
B32
Craft Type
Boeing 737-900 Passenger (Scimitar Winglets)
7S9
Flight Time
Scheduled
2h 40m
Arrival
GRR
Grand Rapids Gerald R. Ford International Airport, MI, US
Flight Gate Times
02-Sep-2026
Scheduled
22:39
EDT
Estimated
22:39
EDT
Total Arrival Delay: -
Flight Runway Times
02-Sep-2026
Scheduled
22:06
EDT
Actual
--
Runway Delay: -
Terminal
-
Gate
-
Baggage Claim
-
Tail Number
N66841
Flight Time
Estimated
2h 40m
Flight Notes
Also marketed as (AC) Air Canada 4613
Event Timeline
Date
Event
Data Updated
2 Sep
00:06
18:06
20:06
Time Adjustment
Scheduled Runway Departure changed from Sep-02-2026 6:22 PM to Sep-02-2026 6:06 PM
Scheduled Runway Arrival changed from Sep-02-2026 10:34 PM to Sep-02-2026 10:06 PM
2 Sep
00:06
18:06
20:06
Time Adjustment
Scheduled Runway Departure changed to Sep-02-2026 6:22 PM
Scheduled Runway Arrival changed to Sep-02-2026 10:34 PM
1 Sep
22:20
16:20
18:20
Gate Adjustment
Departure Gate changed to B32
1 Sep
20:20
14:20
16:20
Equipment Adjustment
Tail Number changed from N27421 to N66841
1 Sep
11:45
05:45
07:45
Equipment Adjustment
Tail Number changed from N66828 to N27421
1 Sep
09:20
03:20
05:20
Equipment Adjustment
Tail Number changed from N68891 to N66828
31 Aug
14:09
08:09
10:09
Equipment Adjustment
Tail Number changed to N68891
Actual Equipment changed to 7S9
31 Aug
14:08
08:08
10:08
Time Adjustment
Estimated Gate Departure changed to Sep-02-2026 5:59 PM
Estimated Gate Arrival changed to Sep-02-2026 10:39 PM
30 Aug
18:48
12:48
14:48
Record Created
30 Aug
18:48
12:48
14:48
Time Adjustment
Scheduled Gate Departure changed to Sep-02-2026 5:59 PM
Scheduled Gate Arrival changed to Sep-02-2026 10:39 PM
Scheduled Equipment changed to 739