
(UA) United Airlines 2121 Flight Details
On time | Scheduled
Departure
DEN
Denver International Airport, CO, US
Flight Gate Times
09-Sep-2026
Scheduled
17:59
MDT
Estimated
17:59
MDT
Total Departure Delay: -
Flight Runway Times
09-Sep-2026
Scheduled
18:22
MDT
Actual
--
Runway Delay: -
Terminal
-
Gate
B36
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
09-Sep-2026
Scheduled
22:39
EDT
Estimated
22:39
EDT
Total Arrival Delay: -
Flight Runway Times
09-Sep-2026
Scheduled
22:34
EDT
Actual
--
Runway Delay: -
Terminal
-
Gate
-
Baggage Claim
-
Tail Number
N37427
Flight Time
Estimated
2h 40m
Flight Notes
Also marketed as (AC) Air Canada 4613
Event Timeline
Date
Event
Data Updated
9 Sep
00:06
18:06
20:06
Time Adjustment
Scheduled Runway Departure changed from Sep-09-2026 6:06 PM to Sep-09-2026 6:22 PM
Scheduled Runway Arrival changed from Sep-09-2026 10:04 PM to Sep-09-2026 10:34 PM
9 Sep
00:01
18:01
20:01
Time Adjustment
Scheduled Runway Departure changed to Sep-09-2026 6:06 PM
Scheduled Runway Arrival changed to Sep-09-2026 10:04 PM
8 Sep
22:50
16:50
18:50
Gate Adjustment
Departure Gate changed to B36
6 Sep
23:56
17:56
19:56
Equipment Adjustment
Tail Number changed to N37427
Actual Equipment changed to 7S9
6 Sep
23:56
17:56
19:56
Time Adjustment
Estimated Gate Departure changed to Sep-09-2026 5:59 PM
Estimated Gate Arrival changed to Sep-09-2026 10:39 PM
6 Sep
18:47
12:47
14:47
Record Created
6 Sep
18:47
12:47
14:47
Time Adjustment
Scheduled Gate Departure changed to Sep-09-2026 5:59 PM
Scheduled Gate Arrival changed to Sep-09-2026 10:39 PM
Scheduled Equipment changed to 739