(UA) United Airlines 2121 Flight Details
On time | Scheduled
Departure
DEN
Denver International Airport, CO, US
Flight Gate Times
16-Sep-2026
Scheduled
17:59
MDT
Estimated
17:59
MDT
Total Departure Delay: -
Flight Runway Times
16-Sep-2026
Scheduled
18:22
MDT
Actual
--
Runway Delay: -
Terminal
-
Gate
A20
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
16-Sep-2026
Scheduled
22:39
EDT
Estimated
22:39
EDT
Total Arrival Delay: -
Flight Runway Times
16-Sep-2026
Scheduled
22:34
EDT
Actual
--
Runway Delay: -
Terminal
-
Gate
-
Baggage Claim
2
Tail Number
N36444
Flight Time
Estimated
2h 40m
Flight Notes
Also marketed as (AC) Air Canada 4613
Event Timeline
Date
Event
Data Updated
16 Sep
00:06
18:06
20:06
Time Adjustment
Scheduled Runway Departure changed to Sep-16-2026 6:22 PM
Scheduled Runway Arrival changed to Sep-16-2026 10:34 PM
15 Sep
22:50
16:50
18:50
Gate Adjustment
Departure Gate changed to A20
15 Sep
09:56
03:56
05:56
Equipment Adjustment
Tail Number changed from N69885 to N36444
15 Sep
09:56
03:56
05:56
Gate Adjustment
Baggage changed to 2
14 Sep
18:27
12:27
14:27
Time Adjustment
Estimated Gate Departure changed to Sep-16-2026 5:59 PM
Estimated Gate Arrival changed to Sep-16-2026 10:39 PM
14 Sep
18:27
12:27
14:27
Equipment Adjustment
Tail Number changed to N69885
Actual Equipment changed to 7S9
13 Sep
18:47
12:47
14:47
Record Created
13 Sep
18:47
12:47
14:47
Time Adjustment
Scheduled Gate Departure changed to Sep-16-2026 5:59 PM
Scheduled Gate Arrival changed to Sep-16-2026 10:39 PM
Scheduled Equipment changed to 739