(UA) United Airlines 2121 Flight Details
On time | Scheduled
Departure
DEN
Denver International Airport, CO, US
Flight Gate Times
09-Jan-2026
Scheduled
18:00
MST
Estimated
18:00
MST
Total Departure Delay: -
Flight Runway Times
09-Jan-2026
Scheduled
18:15
MST
Actual
--
Runway Delay: -
Terminal
-
Gate
A30
Craft Type
Boeing 737-800 (Scimitar Winglets) Passenger
7S8
Flight Time
Scheduled
2h 37m
Arrival
GRR
Grand Rapids Gerald R. Ford International Airport, MI, US
Flight Gate Times
09-Jan-2026
Scheduled
22:37
EST
Estimated
22:37
EST
Total Arrival Delay: -
Flight Runway Times
09-Jan-2026
Scheduled
22:32
EST
Actual
--
Runway Delay: -
Terminal
-
Gate
A3
Baggage Claim
-
Tail Number
N78501
Flight Time
Estimated
2h 37m
Event Timeline
Date
Event
Data Updated
9 Jan
09:01
02:01
04:01
Gate Adjustment
Arrival Gate changed to A3
9 Jan
01:06
18:06
20:06
Time Adjustment
Scheduled Runway Departure changed from Jan-09-2026 6:10 PM to Jan-09-2026 6:15 PM
Scheduled Runway Arrival changed from Jan-09-2026 10:10 PM to Jan-09-2026 10:32 PM
9 Jan
01:01
18:01
20:01
Time Adjustment
Scheduled Runway Departure changed to Jan-09-2026 6:10 PM
Scheduled Runway Arrival changed to Jan-09-2026 10:10 PM
8 Jan
23:49
16:49
18:49
Gate Adjustment
Departure Gate changed to A30
7 Jan
21:55
14:55
16:55
Equipment Adjustment
Tail Number changed to N78501
Actual Equipment changed to 7S8
7 Jan
21:55
14:55
16:55
Time Adjustment
Estimated Gate Departure changed to Jan-09-2026 6:00 PM
Estimated Gate Arrival changed to Jan-09-2026 10:37 PM
6 Jan
18:46
11:46
13:46
Record Created
6 Jan
18:46
11:46
13:46
Time Adjustment
Scheduled Gate Departure changed to Jan-09-2026 6:00 PM
Scheduled Gate Arrival changed to Jan-09-2026 10:37 PM
Scheduled Equipment changed to 738