
(WN) Southwest Airlines 4421 Flight Details
On time | Scheduled
Departure
DEN
Denver International Airport, CO, US
Flight Gate Times
09-Oct-2026
Scheduled
20:55
MDT
Actual
--
Total Departure Delay: -
Flight Runway Times
09-Oct-2026
Scheduled
21:13
MDT
Actual
--
Runway Delay: -
Terminal
-
Gate
C66
Craft Type
Boeing 737-800 (Scimitar Winglets) Passenger
7S8
Flight Time
Scheduled
2h 5m
Arrival
BOI
Boise Air Terminal, ID, US
Flight Gate Times
09-Oct-2026
Scheduled
23:00
MDT
Actual
--
Total Arrival Delay: -
Flight Runway Times
09-Oct-2026
Scheduled
22:55
MDT
Actual
--
Runway Delay: -
Terminal
-
Gate
-
Baggage Claim
-
Tail Number
N8509U
Flight Time
Estimated
2h 5m
Event Timeline
Date
Event
Data Updated
9 Oct
08:30
02:30
02:30
Time Adjustment
Scheduled Runway Departure changed from Oct-09-2026 9:03 PM to Oct-09-2026 9:13 PM
Scheduled Runway Arrival changed from Oct-09-2026 10:27 PM to Oct-09-2026 10:55 PM
9 Oct
08:05
02:05
02:05
Gate Adjustment
Departure Gate changed from C33 to C66
Tail Number changed from N8996Q to N8509U
Actual Equipment changed from 7M8 to 7S8
9 Oct
03:04
21:04
21:04
Gate Adjustment
Departure Gate changed to C33
Tail Number changed to N8996Q
9 Oct
02:56
20:56
20:56
Time Adjustment
Scheduled Runway Departure changed to Oct-09-2026 9:03 PM
Scheduled Runway Arrival changed to Oct-09-2026 10:27 PM
Actual Equipment changed to 7M8
6 Oct
18:56
12:56
12:56
Record Created
6 Oct
18:56
12:56
12:56
Time Adjustment
Scheduled Gate Departure changed to Oct-09-2026 8:55 PM
Scheduled Gate Arrival changed to Oct-09-2026 11:00 PM
Scheduled Equipment changed to 7M8