(UA) United Airlines 2121 Flight Details
On time | Scheduled
Departure
DEN
Denver International Airport, CO, US
Flight Gate Times
14-Jul-2026
Scheduled
17:55
MDT
Estimated
17:55
MDT
Total Departure Delay: -
Flight Runway Times
14-Jul-2026
Scheduled
18:18
MDT
Actual
--
Runway Delay: -
Terminal
-
Gate
B61
Craft Type
Boeing 737-800 (Scimitar Winglets) Passenger
7S8
Flight Time
Scheduled
2h 40m
Arrival
GRR
Grand Rapids Gerald R. Ford International Airport, MI, US
Flight Gate Times
14-Jul-2026
Scheduled
22:35
EDT
Estimated
22:35
EDT
Total Arrival Delay: -
Flight Runway Times
14-Jul-2026
Scheduled
22:30
EDT
Actual
--
Runway Delay: -
Terminal
-
Gate
-
Baggage Claim
-
Tail Number
N37255
Flight Time
Estimated
2h 40m
Event Timeline
Date
Event
Data Updated
14 Jul
01:50
19:50
21:50
Equipment Adjustment
Tail Number changed from N76517 to N37255
14 Jul
00:01
18:01
20:01
Time Adjustment
Scheduled Runway Departure changed from Jul-14-2026 6:05 PM to Jul-14-2026 6:18 PM
Scheduled Runway Arrival changed from Jul-14-2026 10:19 PM to Jul-14-2026 10:30 PM
13 Jul
23:56
17:56
19:56
Time Adjustment
Scheduled Runway Departure changed to Jul-14-2026 6:05 PM
Scheduled Runway Arrival changed to Jul-14-2026 10:19 PM
13 Jul
22:44
16:44
18:44
Gate Adjustment
Departure Gate changed to B61
13 Jul
08:51
02:51
04:51
Equipment Adjustment
Tail Number changed from N73256 to N76517
12 Jul
19:57
13:57
15:57
Equipment Adjustment
Tail Number changed from N73291 to N73256
12 Jul
02:02
20:02
22:02
Time Adjustment
Estimated Gate Departure changed to Jul-14-2026 5:55 PM
Estimated Gate Arrival changed to Jul-14-2026 10:35 PM
12 Jul
02:02
20:02
22:02
Equipment Adjustment
Tail Number changed to N73291
Actual Equipment changed to 7S8
11 Jul
18:49
12:49
14:49
Record Created
11 Jul
18:49
12:49
14:49
Time Adjustment
Scheduled Gate Departure changed to Jul-14-2026 5:55 PM
Scheduled Gate Arrival changed to Jul-14-2026 10:35 PM
Scheduled Equipment changed to 738