WN420 Flight Status Southwest Airlines: Phoenix to San Diego (SWA420)

Are you looking for the November 9th, 2026 WN 420 Austin to San Diego flight? Go to our WN420 Austin to San Diego Flight Status page >

WN 420 Phoenix to San Diego Flight Status

Not scheduled today (November 9th, 2026). Latest flight: September 27th, 2026 ; recent history is in the table below.

WN 420 Flight Status & Schedule Southwest Airlines Phoenix to San Diego

Date From To Departure Arrival Status Details
Sep 27 PHX SAN 16:52 17:45 Delayed Track >
Sep 20 PHX SAN 16:11 17:00 Landed Track >
Sep 13 PHX SAN 16:25 17:12 Landed Late Track >
Aug 30 PHX SAN 16:17 17:07 Landed Late Track >
Aug 23 PHX SAN 16:04 16:51 Landed Track >
Aug 16 PHX SAN 16:26 17:14 Landed Late Track >
Aug 09 PHX SAN 16:16 17:02 Landed Track >

Southwest Airlines operates WN 420 from Phoenix to San Diego, a 489 km (304 mi) trip. Its timetable allows 1 h 10 min; in practice it usually takes about 50 min, so it often makes up time. It is not flying today; the last flight was scheduled on 27 September 2026.

< All Phoenix PHX Departures All San Diego SAN Arrivals >

About WN 420

Route
Phoenix Sky Harbor International Airport PHX to San Diego International Airport SAN
Distance
489 km (304 mi)
Typical flight time
50 min
On time
3 of the last 6
Average delay when late
21 min
Usually departs from
Terminal 4

WN 420 FAQ

How long is the WN420 flight?
The timetable allows 1 h 10 min. Phoenix to San Diego is 489 km (304 mi).
How often is WN420 late?
3 of the last 6 flights arrived 15 or more minutes late; when late, by 21 minutes on average.
Which terminal does WN420 use?
It usually leaves from Terminal 4 at Phoenix Sky Harbor International Airport (PHX) and arrives at Terminal 1 at San Diego International Airport (SAN). Check the flight card above for today's terminal and gate.
What other flight numbers does WN420 have?
Also listed as SWA420 (Southwest Airlines' ICAO code) and WN 420.

WN420 and Phoenix PHX to San Diego SAN Flights

Other flights departing from Phoenix PHX: WN3192, WN509, AN8

Other flights arriving at San Diego SAN: WN2215, OO3103

All flights connecting Phoenix PHX to San Diego SAN.