WN3239 PHX → STL

Southwest Airlines · Phoenix, AZ to St. Louis, MO · 39 flights observed, 2026-01-06 to 2026-03-04 · 1,262 mi

This flight has a strong track record — on time 97% of the time, with a low cancellation rate.

WN3239 covers more than one route in the data window — the stats below are for PHX → STL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
97%
Median delay
-3 min
90th percentile
+11 min
Cancellation rate
0%

How often is WN3239 on time?

Across 39 flights on PHX → STL from 2026-01-06 to 2026-03-04, WN3239 arrived within 15 minutes of schedule 97% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +11 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time3897%
16-30 min00%
31-60 min13%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-011794%+1 min
2026-0219100%-4 min
2026-033100%0 min

Performance by day of week

DayFlightsOn-time
Mon4100%
Tue8100%
Wed9100%
Thu5100%
Fri683%
Sat3100%
Sun4100%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…