
(UA) United Airlines 2121 Flight Details
On time | Scheduled
Departure
DEN
Denver International Airport, CO, US
Flight Gate Times
07-Oct-2026
Scheduled
17:47
MDT
Estimated
17:47
MDT
Total Departure Delay: -
Flight Runway Times
07-Oct-2026
Scheduled
18:10
MDT
Actual
--
Runway Delay: -
Terminal
-
Gate
B53
Craft Type
Boeing 737MAX 9 Passenger
7M9
Flight Time
Scheduled
2h 36m
Arrival
GRR
Grand Rapids Gerald R. Ford International Airport, MI, US
Flight Gate Times
07-Oct-2026
Scheduled
22:23
EDT
Estimated
22:23
EDT
Total Arrival Delay: -
Flight Runway Times
07-Oct-2026
Scheduled
22:18
EDT
Actual
--
Runway Delay: -
Terminal
-
Gate
A3
Baggage Claim
2
Tail Number
N37518
Flight Time
Estimated
2h 36m
Flight Notes
Also marketed as (AC) Air Canada 4613
Event Timeline
Date
Event
Data Updated
6 Oct
23:56
17:56
19:56
Time Adjustment
Scheduled Runway Departure changed to Oct-07-2026 6:10 PM
Scheduled Runway Arrival changed to Oct-07-2026 10:18 PM
6 Oct
22:50
16:50
18:50
Gate Adjustment
Departure Gate changed to B53
6 Oct
16:02
10:02
12:02
Gate Adjustment
Arrival Gate changed to A3
6 Oct
05:56
23:56
01:56
Equipment Adjustment
Tail Number changed from N37440 to N37518
6 Oct
00:14
18:14
20:14
Time Adjustment
Estimated Gate Departure changed to Oct-07-2026 5:47 PM
Estimated Gate Arrival changed to Oct-07-2026 10:23 PM
Baggage changed to 2
6 Oct
00:14
18:14
20:14
Equipment Adjustment
Tail Number changed to N37440
Actual Equipment changed to 7M9
4 Oct
18:48
12:48
14:48
Record Created
4 Oct
18:48
12:48
14:48
Time Adjustment
Scheduled Gate Departure changed to Oct-07-2026 5:47 PM
Scheduled Gate Arrival changed to Oct-07-2026 10:23 PM
Scheduled Equipment changed to 7M9