(DL) Delta Air Lines 1221 Flight Details
On time | Arrived
Departure
MKE
Milwaukee Mitchell International Airport, WI, US
Flight Gate Times
29-Mar-2026
Scheduled
05:45
CDT
Actual
05:35
CDT
Total Departure Delay: -
Flight Runway Times
29-Mar-2026
Scheduled
05:45
CDT
Actual
05:46
CDT
Runway Delay: 1 min
Terminal
-
Gate
D44
Craft Type
Boeing 737-900 Passenger (Scimitar Winglets)
7S9
Flight Time
Scheduled
2h 4m
Arrival
ATL
Atlanta Hartsfield-Jackson International Airport, GA, US
Flight Gate Times
29-Mar-2026
Scheduled
08:49
EDT
Actual
08:21
EDT
Total Arrival Delay: -
Flight Runway Times
29-Mar-2026
Scheduled
08:25
EDT
Actual
08:13
EDT
Runway Delay: -
Terminal
S
Gate
D36
Baggage Claim
9
Tail Number
N938DZ
Flight Time
Actual
1h 46m
Flight Notes
Also marketed as (AM) Aeromexico 4024, (KE) Korean Air 6964, (LA) LATAM Airlines 8475
Event Timeline
Date
Event
Data Updated
29 Mar
12:23
07:23
08:23
Time Adjustment
Estimated Gate Arrival changed from Mar-29-2026 8:22 AM to Mar-29-2026 8:21 AM
Actual Gate Arrival changed to Mar-29-2026 8:21 AM
29 Mar
12:13
07:13
08:13
Status Landed
Actual Runway Arrival changed to Mar-29-2026 8:13 AM
Status changed from Active to Landed
29 Mar
11:59
06:59
07:59
Time Adjustment
Estimated Runway Arrival changed from Mar-29-2026 8:17 AM to Mar-29-2026 8:13 AM
29 Mar
11:24
06:24
07:24
Time Adjustment
Estimated Gate Arrival changed from Mar-29-2026 8:26 AM to Mar-29-2026 8:22 AM
29 Mar
10:59
05:59
06:59
Time Adjustment
Estimated Runway Arrival changed from Mar-29-2026 8:20 AM to Mar-29-2026 8:17 AM
29 Mar
10:48
05:48
06:48
Time Adjustment
Estimated Runway Arrival changed from Mar-29-2026 8:18 AM to Mar-29-2026 8:20 AM
29 Mar
10:47
05:47
06:47
Time Adjustment
Estimated Runway Arrival changed from Mar-29-2026 8:25 AM to Mar-29-2026 8:18 AM
29 Mar
10:47
05:47
06:47
Time Adjustment
Estimated Runway Departure changed from Mar-29-2026 5:45 AM to Mar-29-2026 5:46 AM
Actual Runway Departure changed to Mar-29-2026 5:46 AM
Estimated Gate Arrival changed from Mar-29-2026 8:34 AM to Mar-29-2026 8:26 AM
29 Mar
10:35
05:35
06:35
Status Active
Actual Gate Departure changed to Mar-29-2026 5:35 AM
Status changed from Scheduled to Active
29 Mar
10:32
05:32
06:32
Time Adjustment
Estimated Gate Departure changed from Mar-29-2026 5:45 AM to Mar-29-2026 5:35 AM
Estimated Gate Arrival changed from Mar-29-2026 8:38 AM to Mar-29-2026 8:34 AM
Arrival Gate changed from A3 to D36
29 Mar
10:28
05:28
06:28
Time Adjustment
Estimated Runway Departure changed from Mar-29-2026 5:55 AM to Mar-29-2026 5:45 AM
Estimated Runway Arrival changed from Mar-29-2026 8:29 AM to Mar-29-2026 8:25 AM
29 Mar
09:57
04:57
05:57
Time Adjustment
Estimated Runway Departure changed from Mar-29-2026 5:45 AM to Mar-29-2026 5:55 AM
Estimated Runway Arrival changed from Mar-29-2026 8:25 AM to Mar-29-2026 8:29 AM
29 Mar
09:57
04:57
05:57
Time Adjustment
Estimated Gate Departure changed from Mar-29-2026 5:35 AM to Mar-29-2026 5:45 AM
Estimated Gate Arrival changed from Mar-29-2026 8:34 AM to Mar-29-2026 8:38 AM
29 Mar
09:15
04:15
05:15
Gate Adjustment
Departure Gate changed from D46 to D44
29 Mar
08:52
03:52
04:52
Time Adjustment
Estimated Runway Departure changed from Mar-29-2026 5:53 AM to Mar-29-2026 5:45 AM
Estimated Runway Arrival changed from Mar-29-2026 8:29 AM to Mar-29-2026 8:25 AM
29 Mar
08:52
03:52
04:52
Time Adjustment
Scheduled Runway Departure changed from Mar-29-2026 5:53 AM to Mar-29-2026 5:45 AM
Scheduled Runway Arrival changed from Mar-29-2026 8:29 AM to Mar-29-2026 8:25 AM
29 Mar
08:52
03:52
04:52
Time Adjustment
Estimated Gate Departure changed from Mar-29-2026 5:45 AM to Mar-29-2026 5:35 AM
Estimated Gate Arrival changed from Mar-29-2026 8:38 AM to Mar-29-2026 8:34 AM
29 Mar
08:46
03:46
04:46
Gate Adjustment
Baggage changed from 6 to 9
29 Mar
08:46
03:46
04:46
Gate Adjustment
Arrival Gate changed from B6 to A3
29 Mar
08:16
03:16
04:16
Gate Adjustment
Baggage changed from 1 to 6
29 Mar
08:13
03:13
04:13
Gate Adjustment
Arrival Gate changed from C34 to B6
29 Mar
07:49
02:49
03:49
Time Adjustment
Estimated Gate Arrival changed from Mar-29-2026 8:41 AM to Mar-29-2026 8:38 AM
29 Mar
07:46
02:46
03:46
Gate Adjustment
Arrival Gate changed from A19 to C34
29 Mar
07:37
02:37
03:37
Time Adjustment
Estimated Runway Departure changed to Mar-29-2026 5:53 AM
Estimated Gate Departure changed to Mar-29-2026 5:45 AM
Estimated Runway Arrival changed to Mar-29-2026 8:29 AM
29 Mar
07:37
02:37
03:37
Time Adjustment
Scheduled Runway Arrival changed from Mar-29-2026 8:32 AM to Mar-29-2026 8:29 AM
28 Mar
17:11
12:11
13:11
Gate Adjustment
Baggage changed from 3 to 1
28 Mar
10:51
05:51
06:51
Time Adjustment
Scheduled Runway Departure changed from Mar-29-2026 5:58 AM to Mar-29-2026 5:53 AM
Scheduled Runway Arrival changed from Mar-29-2026 8:38 AM to Mar-29-2026 8:32 AM
28 Mar
10:46
05:46
06:46
Time Adjustment
Scheduled Runway Departure changed to Mar-29-2026 5:58 AM
Scheduled Runway Arrival changed to Mar-29-2026 8:38 AM
28 Mar
07:56
02:56
03:56
Gate Adjustment
Baggage changed from 2 to 3
28 Mar
01:39
20:39
21:39
Gate Adjustment
Departure Gate changed from D44 to D46
27 Mar
22:44
17:44
18:44
Time Adjustment
Estimated Gate Arrival changed to Mar-29-2026 8:41 AM
27 Mar
19:00
14:00
15:00
Gate Adjustment
Baggage changed to 2
27 Mar
04:12
23:12
00:12
Equipment Adjustment
Tail Number changed to N938DZ
Actual Equipment changed to 7S9
27 Mar
02:59
21:59
22:59
Gate Adjustment
Departure Gate changed to D44
Arrival Gate changed to A19
26 Mar
18:17
13:17
14:17
Record Created
26 Mar
18:17
13:17
14:17
Time Adjustment
Scheduled Gate Departure changed to Mar-29-2026 5:45 AM
Scheduled Gate Arrival changed to Mar-29-2026 8:49 AM
Arrival Terminal changed to S
Scheduled Equipment changed to 739