WN428Southwest Airlines · SAN → PHX
live · 3m ago
Route confirmed Southwest Airlines

WN428 San DiegoSAN PhoenixPHX

WN428 by Southwest Airlines flies from San Diego (SAN) to Phoenix (PHX).

Right nowNext departure tomorrow Operates daily
09:55

scheduled from SAN

The route today

live boards
SANSan DiegoOn-time likelySAN delay board →
PHXPhoenixOn-time likelyPHX delay board →
SAN→PHXevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
51%Chance of 15+ min delay
1.2%Chance of cancellation
+18 minTypical airport delay in this weather

Conditions at SAN and PHX are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

Tomorrow at SAN

Forecast

Thu 5 Nov, local date

High24°Clikely 23°C to 25°C
Low16°Clikely 14°C to 17°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at Phoenix

Forecast

Thu 5 Nov, local date

High24°Clikely 23°C to 25°C
Low14°Clikely 13°C to 15°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other San Diego to Phoenix flights today

same route · Southwest Airlines
WN1693departs 06:45
WN3723departs 06:45
WN2309departs 06:55
WN1168departs 07:40
WN3724departs 07:40
WN4245departs 07:55

If WN428 is cancelled, these are the other Southwest Airlines nonstop flights from San Diego to Phoenix on the same day, with scheduled departure times in SAN local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How WN428 actually runs

Pro Flight Search has tracked every published board update for WN428 across the SAN and PHX boards: schedule changes, gate pushes and actual clocks. Combined risk score: 1.0/100. Based on airport operations, weather, and cached board history at SAN and PHX.

The verdict above is that record speaking, so it reflects how WN428 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around WN428? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: WN428 San Diego to Phoenix on-time performance, measured from the SAN and PHX airport boards.

Canonical URL
https://proflightsearch.com/flight/WN428
How we measure this →