(WN) Southwest Airlines 4021 Flight Details
On time | Scheduled
Departure
SFO
San Francisco International Airport, CA, US
Flight Gate Times
09-Jan-2026
Scheduled
05:05
PST
Actual
--
Total Departure Delay: -
Flight Runway Times
09-Jan-2026
Scheduled
05:15
PST
Actual
--
Runway Delay: -
Terminal
2
Gate
D4
Craft Type
Boeing 737-800 Passenger
738
Flight Time
Scheduled
1h 55m
Arrival
PHX
Phoenix Sky Harbor International Airport, AZ, US
Flight Gate Times
09-Jan-2026
Scheduled
08:00
MST
Actual
--
Total Arrival Delay: -
Flight Runway Times
09-Jan-2026
Scheduled
07:41
MST
Actual
--
Runway Delay: -
Terminal
4
Gate
C1
Baggage Claim
-
Tail Number
-
Flight Time
Estimated
1h 55m
Event Timeline
Date
Event
Data Updated
9 Jan
01:16
17:16
18:16
Gate Adjustment
Departure Gate changed to D4
8 Jan
19:30
11:30
12:30
Gate Adjustment
Arrival Gate changed to C1
8 Jan
13:06
05:06
06:06
Time Adjustment
Scheduled Runway Departure changed to Jan-09-2026 5:15 AM
Scheduled Runway Arrival changed to Jan-09-2026 7:41 AM
Actual Equipment changed to 738
6 Jan
18:53
10:53
11:53
Record Created
6 Jan
18:53
10:53
11:53
Time Adjustment
Scheduled Gate Departure changed to Jan-09-2026 5:05 AM
Scheduled Gate Arrival changed to Jan-09-2026 8:00 AM
Departure Terminal changed to 2
Arrival Terminal changed to 4
Scheduled Equipment changed to 73H