(UA) United Airlines 2121 Flight Details
On time | Scheduled
Departure
DEN
Denver International Airport, CO, US
Flight Gate Times
11-Nov-2026
Scheduled
17:45
MST
Estimated
17:45
MST
Total Departure Delay: -
Flight Runway Times
11-Nov-2026
Scheduled
18:08
MST
Actual
--
Runway Delay: -
Terminal
-
Gate
A16
Craft Type
Boeing 737-900 Passenger (Scimitar Winglets)
7S9
Flight Time
Scheduled
2h 35m
Arrival
GRR
Grand Rapids Gerald R. Ford International Airport, MI, US
Flight Gate Times
11-Nov-2026
Scheduled
22:20
EST
Estimated
22:20
EST
Total Arrival Delay: -
Flight Runway Times
11-Nov-2026
Scheduled
22:06
EST
Actual
--
Runway Delay: -
Terminal
-
Gate
A3
Baggage Claim
2
Tail Number
N39423
Flight Time
Estimated
2h 35m
Event Timeline
Date
Event
Data Updated
11 Nov
00:46
17:46
19:46
Time Adjustment
Scheduled Runway Departure changed to Nov-11-2026 6:08 PM
Scheduled Runway Arrival changed to Nov-11-2026 10:06 PM
10 Nov
23:32
16:32
18:32
Gate Adjustment
Departure Gate changed to A16
10 Nov
16:08
09:08
11:08
Time Adjustment
Estimated Gate Departure changed to Nov-11-2026 5:45 PM
Estimated Gate Arrival changed to Nov-11-2026 10:20 PM
Arrival Gate changed to A3
Baggage changed to 2
Tail Number changed to N39423
Actual Equipment changed to 7S9
8 Nov
18:43
11:43
13:43
Record Created
8 Nov
18:43
11:43
13:43
Time Adjustment
Scheduled Gate Departure changed to Nov-11-2026 5:45 PM
Scheduled Gate Arrival changed to Nov-11-2026 10:20 PM
Scheduled Equipment changed to 739