(DL) Delta Air Lines 1581 Flight Details
Delayed by 6h 35m | Scheduled
Departure
DEN
Denver International Airport, CO, US
Flight Gate Times
21-Dec-2025
Scheduled
07:10
MST
Estimated
13:45
MST
Total Departure Delay: 6 h 35 mins
Flight Runway Times
21-Dec-2025
Scheduled
07:28
MST
Actual
--
Runway Delay: -
Terminal
-
Gate
A35
Craft Type
Airbus A220-100 Passenger
221
Flight Time
Scheduled
1h 42m
Arrival
SLC
Salt Lake City International Airport, UT, US
Flight Gate Times
21-Dec-2025
Scheduled
08:52
MST
Estimated
15:11
MST
Total Arrival Delay: 6 h 19 mins
Flight Runway Times
21-Dec-2025
Scheduled
08:35
MST
Actual
--
Runway Delay: -
Terminal
-
Gate
A5
Baggage Claim
6
Tail Number
N123DQ
Flight Time
Estimated
1h 26m
Flight Notes
Also marketed as (AM) Aeromexico 4639, (WS) WestJet 7632
Event Timeline
Date
Event
Data Updated
21 Dec
10:32
03:32
03:32
Gate Adjustment
Arrival Gate changed from A6 to A5
21 Dec
10:31
03:31
03:31
Gate Adjustment
Departure Gate changed from A49 to A35
21 Dec
10:09
03:09
03:09
Time Adjustment
Estimated Gate Departure changed from Dec-21-2025 11:10 AM to Dec-21-2025 1:45 PM
Estimated Gate Arrival changed from Dec-21-2025 12:38 PM to Dec-21-2025 3:11 PM
21 Dec
07:38
00:38
00:38
Time Adjustment
Estimated Gate Departure changed to Dec-21-2025 11:10 AM
Estimated Gate Arrival changed from Dec-21-2025 8:43 AM to Dec-21-2025 12:38 PM
21 Dec
07:07
00:07
00:07
Gate Adjustment
Baggage changed from 10 to 6
21 Dec
07:04
00:04
00:04
Equipment Adjustment
Tail Number changed from N114DU to N123DQ
20 Dec
14:16
07:16
07:16
Time Adjustment
Scheduled Runway Departure changed from Dec-21-2025 7:20 AM to Dec-21-2025 7:28 AM
Scheduled Runway Arrival changed from Dec-21-2025 8:23 AM to Dec-21-2025 8:35 AM
20 Dec
14:11
07:11
07:11
Time Adjustment
Scheduled Runway Departure changed to Dec-21-2025 7:20 AM
Scheduled Runway Arrival changed to Dec-21-2025 8:23 AM
20 Dec
10:41
03:41
03:41
Gate Adjustment
Departure Gate changed from A48 to A49
20 Dec
10:33
03:33
03:33
Gate Adjustment
Arrival Gate changed from A16 to A6
20 Dec
10:32
03:32
03:32
Gate Adjustment
Departure Gate changed from A52 to A48
20 Dec
04:09
21:09
21:09
Equipment Adjustment
Tail Number changed from N123DQ to N114DU
20 Dec
02:15
19:15
19:15
Time Adjustment
Estimated Gate Arrival changed to Dec-21-2025 8:43 AM
19 Dec
21:39
14:39
14:39
Equipment Adjustment
Tail Number changed from N101DU to N123DQ
19 Dec
18:23
11:23
11:23
Gate Adjustment
Baggage changed to 10
19 Dec
10:31
03:31
03:31
Gate Adjustment
Departure Gate changed from A50 to A52
19 Dec
10:30
03:30
03:30
Gate Adjustment
Arrival Gate changed to A16
19 Dec
05:11
22:11
22:11
Equipment Adjustment
Tail Number changed to N101DU
Actual Equipment changed to 221
19 Dec
03:51
20:51
20:51
Gate Adjustment
Departure Gate changed to A50
18 Dec
18:18
11:18
11:18
Record Created
18 Dec
18:18
11:18
11:18
Time Adjustment
Scheduled Gate Departure changed to Dec-21-2025 7:10 AM
Scheduled Gate Arrival changed to Dec-21-2025 8:52 AM
Scheduled Equipment changed to 221