(WN) Southwest Airlines 4121 Flight Details
Delayed by 20m | Scheduled
Departure
PHX
Phoenix Sky Harbor International Airport, AZ, US
Flight Gate Times
05-Sep-2026
Scheduled
15:45
MST
Estimated
16:05
MST
Total Departure Delay: 20 mins
Flight Runway Times
05-Sep-2026
Scheduled
16:18
MST
Estimated
16:18
MST
Runway Delay: -
Terminal
4
Gate
-
Craft Type
Boeing 737MAX 8 Passenger
7M8
Flight Time
Scheduled
1h 40m
Arrival
SLC
Salt Lake City International Airport, UT, US
Flight Gate Times
05-Sep-2026
Scheduled
18:25
MDT
Estimated
18:42
MDT
Total Arrival Delay: 17 mins
Flight Runway Times
05-Sep-2026
Scheduled
18:38
MDT
Estimated
18:26
MDT
Runway Delay: -
Terminal
-
Gate
-
Baggage Claim
-
Tail Number
N8976K
Flight Time
Estimated
1h 37m
Event Timeline
Date
Event
Data Updated
5 Sep
21:24
14:24
15:24
Time Adjustment
Estimated Runway Arrival changed from Sep-05-2026 6:38 PM to Sep-05-2026 6:26 PM
5 Sep
21:23
14:23
15:23
Equipment Adjustment
Tail Number changed to N8976K
5 Sep
21:06
14:06
15:06
Time Adjustment
Estimated Gate Departure changed from Sep-05-2026 4:02 PM to Sep-05-2026 4:05 PM
5 Sep
20:58
13:58
14:58
Time Adjustment
Scheduled Runway Departure changed from Sep-05-2026 4:15 PM to Sep-05-2026 4:18 PM
Scheduled Runway Arrival changed from Sep-05-2026 6:35 PM to Sep-05-2026 6:38 PM
5 Sep
20:58
13:58
14:58
Time Adjustment
Estimated Runway Departure changed from Sep-05-2026 4:15 PM to Sep-05-2026 4:18 PM
Estimated Runway Arrival changed from Sep-05-2026 6:24 PM to Sep-05-2026 6:38 PM
5 Sep
20:46
13:46
14:46
Time Adjustment
Estimated Gate Arrival changed from Sep-05-2026 6:27 PM to Sep-05-2026 6:42 PM
5 Sep
20:06
13:06
14:06
Time Adjustment
Estimated Gate Departure changed from Sep-05-2026 4:00 PM to Sep-05-2026 4:02 PM
5 Sep
19:56
12:56
13:56
Time Adjustment
Scheduled Runway Departure changed from Sep-05-2026 4:12 PM to Sep-05-2026 4:15 PM
Scheduled Runway Arrival changed from Sep-05-2026 6:32 PM to Sep-05-2026 6:35 PM
5 Sep
19:56
12:56
13:56
Time Adjustment
Estimated Runway Departure changed from Sep-05-2026 4:12 PM to Sep-05-2026 4:15 PM
5 Sep
19:54
12:54
13:54
Time Adjustment
Scheduled Runway Departure changed from Sep-05-2026 4:13 PM to Sep-05-2026 4:12 PM
Scheduled Runway Arrival changed from Sep-05-2026 6:33 PM to Sep-05-2026 6:32 PM
5 Sep
19:54
12:54
13:54
Time Adjustment
Estimated Runway Departure changed from Sep-05-2026 4:13 PM to Sep-05-2026 4:12 PM
5 Sep
19:51
12:51
13:51
Time Adjustment
Estimated Gate Departure changed from Sep-05-2026 3:51 PM to Sep-05-2026 4:00 PM
5 Sep
19:43
12:43
13:43
Time Adjustment
Estimated Runway Departure changed from Sep-05-2026 4:10 PM to Sep-05-2026 4:13 PM
5 Sep
19:43
12:43
13:43
Time Adjustment
Scheduled Runway Departure changed from Sep-05-2026 4:10 PM to Sep-05-2026 4:13 PM
Scheduled Runway Arrival changed from Sep-05-2026 6:30 PM to Sep-05-2026 6:33 PM
5 Sep
19:41
12:41
13:41
Time Adjustment
Scheduled Runway Departure changed from Sep-05-2026 4:04 PM to Sep-05-2026 4:10 PM
Scheduled Runway Arrival changed from Sep-05-2026 6:24 PM to Sep-05-2026 6:30 PM
5 Sep
19:40
12:40
13:40
Time Adjustment
Estimated Runway Departure changed from Sep-05-2026 4:04 PM to Sep-05-2026 4:10 PM
5 Sep
18:55
11:55
12:55
Time Adjustment
Estimated Runway Departure changed from Sep-05-2026 4:03 PM to Sep-05-2026 4:04 PM
Estimated Runway Arrival changed from Sep-05-2026 6:23 PM to Sep-05-2026 6:24 PM
5 Sep
18:55
11:55
12:55
Time Adjustment
Scheduled Runway Departure changed from Sep-05-2026 4:03 PM to Sep-05-2026 4:04 PM
Scheduled Runway Arrival changed from Sep-05-2026 6:23 PM to Sep-05-2026 6:24 PM
5 Sep
18:51
11:51
12:51
Time Adjustment
Estimated Gate Departure changed from Sep-05-2026 3:47 PM to Sep-05-2026 3:51 PM
5 Sep
18:49
11:49
12:49
Time Adjustment
Scheduled Runway Departure changed from Sep-05-2026 4:04 PM to Sep-05-2026 4:03 PM
Scheduled Runway Arrival changed from Sep-05-2026 6:24 PM to Sep-05-2026 6:23 PM
5 Sep
18:49
11:49
12:49
Time Adjustment
Estimated Runway Departure changed to Sep-05-2026 4:03 PM
Estimated Runway Arrival changed to Sep-05-2026 6:23 PM
5 Sep
18:37
11:37
12:37
Time Adjustment
Scheduled Runway Departure changed from Sep-05-2026 4:00 PM to Sep-05-2026 4:04 PM
Scheduled Runway Arrival changed from Sep-05-2026 6:20 PM to Sep-05-2026 6:24 PM
5 Sep
18:31
11:31
12:31
Time Adjustment
Estimated Gate Arrival changed to Sep-05-2026 6:27 PM
5 Sep
18:05
11:05
12:05
Time Adjustment
Estimated Gate Departure changed from Sep-05-2026 3:48 PM to Sep-05-2026 3:47 PM
5 Sep
18:00
11:00
12:00
Time Adjustment
Scheduled Runway Departure changed from Sep-05-2026 4:01 PM to Sep-05-2026 4:00 PM
Scheduled Runway Arrival changed from Sep-05-2026 6:21 PM to Sep-05-2026 6:20 PM
5 Sep
17:35
10:35
11:35
Time Adjustment
Estimated Gate Departure changed from Sep-05-2026 3:53 PM to Sep-05-2026 3:48 PM
5 Sep
17:27
10:27
11:27
Time Adjustment
Scheduled Runway Departure changed from Sep-05-2026 4:03 PM to Sep-05-2026 4:01 PM
Scheduled Runway Arrival changed from Sep-05-2026 6:23 PM to Sep-05-2026 6:21 PM
5 Sep
17:25
10:25
11:25
Time Adjustment
Scheduled Runway Departure changed from Sep-05-2026 4:06 PM to Sep-05-2026 4:03 PM
Scheduled Runway Arrival changed from Sep-05-2026 6:26 PM to Sep-05-2026 6:23 PM
5 Sep
17:20
10:20
11:20
Time Adjustment
Estimated Gate Departure changed from Sep-05-2026 3:51 PM to Sep-05-2026 3:53 PM
5 Sep
17:15
10:15
11:15
Time Adjustment
Scheduled Runway Departure changed from Sep-05-2026 4:04 PM to Sep-05-2026 4:06 PM
Scheduled Runway Arrival changed from Sep-05-2026 6:24 PM to Sep-05-2026 6:26 PM
5 Sep
16:50
09:50
10:50
Time Adjustment
Estimated Gate Departure changed to Sep-05-2026 3:51 PM
5 Sep
16:33
09:33
10:33
Time Adjustment
Scheduled Runway Departure changed from Sep-05-2026 4:02 PM to Sep-05-2026 4:04 PM
Scheduled Runway Arrival changed from Sep-05-2026 6:22 PM to Sep-05-2026 6:24 PM
5 Sep
16:30
09:30
10:30
Time Adjustment
Scheduled Runway Departure changed from Sep-05-2026 3:58 PM to Sep-05-2026 4:02 PM
Scheduled Runway Arrival changed from Sep-05-2026 6:18 PM to Sep-05-2026 6:22 PM
5 Sep
15:19
08:19
09:19
Time Adjustment
Scheduled Runway Departure changed from Sep-05-2026 4:02 PM to Sep-05-2026 3:58 PM
Scheduled Runway Arrival changed from Sep-05-2026 6:22 PM to Sep-05-2026 6:18 PM
5 Sep
15:00
08:00
09:00
Time Adjustment
Scheduled Runway Departure changed from Sep-05-2026 4:03 PM to Sep-05-2026 4:02 PM
Scheduled Runway Arrival changed from Sep-05-2026 6:23 PM to Sep-05-2026 6:22 PM
5 Sep
14:58
07:58
08:58
Time Adjustment
Scheduled Runway Departure changed from Sep-05-2026 4:02 PM to Sep-05-2026 4:03 PM
Scheduled Runway Arrival changed from Sep-05-2026 6:22 PM to Sep-05-2026 6:23 PM
5 Sep
14:46
07:46
08:46
Time Adjustment
Scheduled Runway Departure changed from Sep-05-2026 3:58 PM to Sep-05-2026 4:02 PM
Scheduled Runway Arrival changed from Sep-05-2026 6:18 PM to Sep-05-2026 6:22 PM
Actual Equipment changed from 738 to 7M8
5 Sep
13:43
06:43
07:43
Equipment Adjustment
Actual Equipment changed from 7M8 to 738
5 Sep
10:33
03:33
04:33
Equipment Adjustment
Actual Equipment changed from 738 to 7M8
5 Sep
08:32
01:32
02:32
Time Adjustment
Scheduled Runway Departure changed from Sep-05-2026 3:48 PM to Sep-05-2026 3:58 PM
Scheduled Runway Arrival changed from Sep-05-2026 5:55 PM to Sep-05-2026 6:18 PM
Actual Equipment changed from 7M8 to 738
4 Sep
22:46
15:46
16:46
Time Adjustment
Scheduled Runway Departure changed to Sep-05-2026 3:48 PM
Scheduled Runway Arrival changed to Sep-05-2026 5:55 PM
Actual Equipment changed to 7M8
2 Sep
18:52
11:52
12:52
Record Created
2 Sep
18:52
11:52
12:52
Time Adjustment
Scheduled Gate Departure changed to Sep-05-2026 3:45 PM
Scheduled Gate Arrival changed to Sep-05-2026 6:25 PM
Departure Terminal changed to 4
Scheduled Equipment changed to 7M8