WN1871 STL → PHX

Southwest Airlines · St. Louis, MO to Phoenix, AZ · 43 flights observed, 2025-11-03 to 2026-01-04 · 1,262 mi

This flight has been on time less than half the time (42%) — expect a real chance of a delay.

WN1871 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
42%
Median delay
+24 min
90th percentile
+92 min
Cancellation rate
0%

How often is WN1871 on time?

Across 43 flights on STL → PHX from 2025-11-03 to 2026-01-04, WN1871 arrived within 15 minutes of schedule 42% of the time. The median arrival delay was +24 min, and the worst 10% of flights arrived +92 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1842%
16-30 min716%
31-60 min921%
61-120 min716%
2+ hrs25%

Performance by month

MonthFlightsOn-timeAvg delay
2025-111436%+47 min
2025-122540%+32 min
2026-01475%+4 min

Performance by day of week

DayFlightsOn-time
Mon757%
Tue944%
Wed933%
Thu520%
Fri450%
Sat560%
Sun425%

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