(DL) Delta Air Lines 1221 Flight Details
On time | Scheduled
Departure
MKE
Milwaukee Mitchell International Airport, WI, US
Flight Gate Times
09-Dec-2025
Scheduled
05:45
CST
Estimated
05:45
CST
Total Departure Delay: -
Flight Runway Times
09-Dec-2025
Scheduled
05:59
CST
Estimated
05:59
CST
Runway Delay: -
Terminal
-
Gate
D44
Craft Type
Boeing 737-900 Passenger (Scimitar Winglets)
7S9
Flight Time
Scheduled
2h 12m
Arrival
ATL
Atlanta Hartsfield-Jackson International Airport, GA, US
Flight Gate Times
09-Dec-2025
Scheduled
08:57
EST
Estimated
08:39
EST
Total Arrival Delay: -
Flight Runway Times
09-Dec-2025
Scheduled
08:30
EST
Estimated
08:30
EST
Runway Delay: -
Terminal
S
Gate
A4
Baggage Claim
9
Tail Number
N955DZ
Flight Time
Estimated
1h 54m
Flight Notes
Also marketed as (AM) Aeromexico 4024, (KE) Korean Air 6964, (LA) LATAM Airlines 6131
Event Timeline
Date
Event
Data Updated
9 Dec
10:15
04:15
05:15
Time Adjustment
Scheduled Runway Arrival changed from Dec-09-2025 8:39 AM to Dec-09-2025 8:30 AM
9 Dec
10:15
04:15
05:15
Time Adjustment
Estimated Runway Arrival changed from Dec-09-2025 8:39 AM to Dec-09-2025 8:30 AM
9 Dec
10:15
04:15
05:15
Time Adjustment
Estimated Gate Arrival changed from Dec-09-2025 8:48 AM to Dec-09-2025 8:39 AM
9 Dec
08:53
02:53
03:53
Gate Adjustment
Arrival Gate changed from A3 to A4
9 Dec
08:39
02:39
03:39
Time Adjustment
Estimated Gate Departure changed to Dec-09-2025 5:45 AM
Estimated Runway Arrival changed to Dec-09-2025 8:39 AM
9 Dec
08:36
02:36
03:36
Time Adjustment
Estimated Runway Departure changed to Dec-09-2025 5:59 AM
9 Dec
08:32
02:32
03:32
Gate Adjustment
Arrival Gate changed from A19 to A3
9 Dec
07:02
01:02
02:02
Gate Adjustment
Baggage changed from 2 to 9
8 Dec
19:38
13:38
14:38
Gate Adjustment
Baggage changed from 3 to 2
8 Dec
11:51
05:51
06:51
Time Adjustment
Scheduled Runway Departure changed from Dec-09-2025 6:02 AM to Dec-09-2025 5:59 AM
Scheduled Runway Arrival changed from Dec-09-2025 8:45 AM to Dec-09-2025 8:39 AM
8 Dec
11:46
05:46
06:46
Time Adjustment
Scheduled Runway Departure changed to Dec-09-2025 6:02 AM
Scheduled Runway Arrival changed to Dec-09-2025 8:45 AM
8 Dec
08:42
02:42
03:42
Gate Adjustment
Baggage changed from 6 to 3
7 Dec
23:44
17:44
18:44
Time Adjustment
Estimated Gate Arrival changed to Dec-09-2025 8:48 AM
7 Dec
22:39
16:39
17:39
Gate Adjustment
Departure Gate changed from D45 to D44
7 Dec
19:59
13:59
14:59
Gate Adjustment
Baggage changed to 6
7 Dec
14:54
08:54
09:54
Gate Adjustment
Departure Gate changed from D44 to D45
7 Dec
05:10
23:10
00:10
Equipment Adjustment
Tail Number changed to N955DZ
Actual Equipment changed to 7S9
7 Dec
03:52
21:52
22:52
Gate Adjustment
Departure Gate changed to D44
Arrival Gate changed to A19
6 Dec
18:17
12:17
13:17
Record Created
6 Dec
18:17
12:17
13:17
Time Adjustment
Scheduled Gate Departure changed to Dec-09-2025 5:45 AM
Scheduled Gate Arrival changed to Dec-09-2025 8:57 AM
Arrival Terminal changed to S
Scheduled Equipment changed to 739