WN3720Southwest Airlines · PHX → SLC
live · 6m ago
Route confirmed Southwest Airlines

WN3720 PhoenixPHX Salt Lake CitySLC

WN3720 by Southwest Airlines flies from Phoenix (PHX) to Salt Lake City (SLC).

Right nowNext departure today Operates daily
14:15

scheduled from PHX

The route today

live boards
PHXPhoenixOn-time likelyPHX delay board →
SLCSalt Lake CityOn-time likelySLC delay board →
PHX→SLCevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
31%Chance of 15+ min delay
0.7%Chance of cancellation
-1 minTypical airport delay in this weather

Conditions at PHX and SLC 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 Phoenix

Forecast

Thu 12 Nov, local date

High29°Clikely 28°C to 30°C
Low16°Clikely 15°C to 18°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 Salt Lake City

Forecast

Thu 12 Nov, local date

High14°Clikely 12°C to 16°C
Low4°Clikely 3°C to 6°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 Phoenix to Salt Lake City flights today

same route · Southwest Airlines
WN2722departs 05:55
WN4347departs 07:50
WN2873departs 09:15
WN921departs 12:30
WN3511departs 12:45
WN2882departs 15:40

If WN3720 is cancelled, these are the other Southwest Airlines nonstop flights from Phoenix to Salt Lake City on the same day, with scheduled departure times in PHX 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 WN3720 actually runs

Pro Flight Search has tracked every published board update for WN3720 across the PHX and SLC boards: schedule changes, gate pushes and actual clocks. Combined risk score: 10.1/100. Based on airport operations, weather, and cached board history at PHX and SLC.

The verdict above is that record speaking, so it reflects how WN3720 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around WN3720? 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: WN3720 Phoenix to Salt Lake City on-time performance, measured from the PHX and SLC airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3720
How we measure this →