(DL) Delta Air Lines 1221 Flight Details
Delayed by 3h 50m | Scheduled
Departure
MKE
Milwaukee Mitchell International Airport, WI, US
Flight Gate Times
29-Apr-2026
Scheduled
05:30
CDT
Estimated
09:20
CDT
Total Departure Delay: 3 h 50 mins
Flight Runway Times
29-Apr-2026
Scheduled
05:38
CDT
Actual
--
Runway Delay: -
Terminal
-
Gate
D45
Craft Type
Boeing 737-800 (Scimitar Winglets) Passenger
7S8
Flight Time
Scheduled
2h 8m
Arrival
ATL
Atlanta Hartsfield-Jackson International Airport, GA, US
Flight Gate Times
29-Apr-2026
Scheduled
08:38
EDT
Estimated
12:14
EDT
Total Arrival Delay: 3 h 36 mins
Flight Runway Times
29-Apr-2026
Scheduled
08:17
EDT
Actual
--
Runway Delay: -
Terminal
S
Gate
A19
Baggage Claim
9
Tail Number
N387DA
Flight Time
Estimated
1h 54m
Flight Notes
Also marketed as (AM) Aeromexico 4024, (KE) Korean Air 6964, (LA) LATAM Airlines 8475
Event Timeline
Date
Event
Data Updated
29 Apr
01:45
20:45
21:45
Gate Adjustment
Baggage changed from 6 to 9
28 Apr
22:32
17:32
18:32
Time Adjustment
Estimated Gate Departure changed to Apr-29-2026 9:20 AM
Estimated Gate Arrival changed from Apr-29-2026 8:25 AM to Apr-29-2026 12:14 PM
28 Apr
20:51
15:51
16:51
Equipment Adjustment
Tail Number changed from N3773D to N387DA
28 Apr
20:50
15:50
16:50
Equipment Adjustment
Tail Number changed from N3751B to N3773D
28 Apr
14:23
09:23
10:23
Equipment Adjustment
Tail Number changed from N3730B to N3751B
28 Apr
10:36
05:36
06:36
Time Adjustment
Scheduled Runway Departure changed from Apr-29-2026 5:48 AM to Apr-29-2026 5:38 AM
Scheduled Runway Arrival changed from Apr-29-2026 8:34 AM to Apr-29-2026 8:17 AM
28 Apr
10:31
05:31
06:31
Time Adjustment
Scheduled Runway Departure changed to Apr-29-2026 5:48 AM
Scheduled Runway Arrival changed to Apr-29-2026 8:34 AM
28 Apr
07:59
02:59
03:59
Gate Adjustment
Departure Gate changed from D46 to D45
28 Apr
05:26
00:26
01:26
Equipment Adjustment
Tail Number changed from N3751B to N3730B
Actual Equipment changed from 73H to 7S8
27 Apr
22:38
17:38
18:38
Gate Adjustment
Baggage changed from 2 to 6
27 Apr
22:34
17:34
18:34
Time Adjustment
Estimated Gate Arrival changed to Apr-29-2026 8:25 AM
27 Apr
22:03
17:03
18:03
Gate Adjustment
Baggage changed from 6 to 2
27 Apr
18:39
13:39
14:39
Gate Adjustment
Baggage changed to 6
27 Apr
04:12
23:12
00:12
Equipment Adjustment
Tail Number changed to N3751B
Actual Equipment changed to 73H
27 Apr
03:20
22:20
23:20
Gate Adjustment
Departure Gate changed from D47 to D46
27 Apr
03:00
22:00
23:00
Gate Adjustment
Departure Gate changed to D47
Arrival Gate changed to A19
26 Apr
18:18
13:18
14:18
Record Created
26 Apr
18:18
13:18
14:18
Time Adjustment
Scheduled Gate Departure changed to Apr-29-2026 5:30 AM
Scheduled Gate Arrival changed to Apr-29-2026 8:38 AM
Arrival Terminal changed to S
Scheduled Equipment changed to 738