WN3588 STL → PHX

Southwest Airlines · St. Louis, MO to Phoenix, AZ · 28 flights observed, 2026-03-05 to 2026-04-06 · 1,262 mi

WN3588 covers more than one route in the data window — the stats below are for STL → PHX, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
71%
Median delay
+3 min
90th percentile
+55 min
Cancellation rate
0%

How often is WN3588 on time?

Across 28 flights on STL → PHX from 2026-03-05 to 2026-04-06, WN3588 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +55 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2071%
16-30 min311%
31-60 min27%
61-120 min14%
2+ hrs27%

Performance by month

MonthFlightsOn-timeAvg delay
2026-032370%+21 min
2026-04580%-1 min

Performance by day of week

DayFlightsOn-time
Mon580%
Tue4100%
Wed425%
Thu580%
Fri580%
SatNo data—
Sun560%

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