WN1183 STL → PHX

Southwest Airlines · St. Louis, MO to Phoenix, AZ · 58 flights observed, 2026-04-07 to 2026-06-03 · 1,262 mi

This flight's reliability varies a lot by day of week — 88% on-time on Saturdays vs. 38% on Thursdays.

WN1183 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
60%
Median delay
+4 min
90th percentile
+57 min
Cancellation rate
0%

How often is WN1183 on time?

Across 58 flights on STL → PHX from 2026-04-07 to 2026-06-03, WN1183 arrived within 15 minutes of schedule 60% of the time. The median arrival delay was +4 min, and the worst 10% of flights arrived +57 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3560%
16-30 min1017%
31-60 min712%
61-120 min610%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-042463%+11 min
2026-053158%+14 min
2026-06367%+7 min

Performance by day of week

DayFlightsOn-time
Mon863%
Tue956%
Wed978%
Thu838%
Fri850%
Sat888%
Sun850%

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