WN3319 HOU → STL

Southwest Airlines · Houston, TX to St. Louis, MO · 33 flights observed, 2026-03-05 to 2026-04-06 · 687 mi

This flight's reliability varies a lot by day of week — 100% on-time on Fridays vs. 40% on Saturdays.

WN3319 covers more than one route in the data window — the stats below are for HOU → STL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
52%
Median delay
+11 min
90th percentile
+105 min
Cancellation rate
0%

How often is WN3319 on time?

Across 33 flights on HOU → STL from 2026-03-05 to 2026-04-06, WN3319 arrived within 15 minutes of schedule 52% of the time. The median arrival delay was +11 min, and the worst 10% of flights arrived +105 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1752%
16-30 min412%
31-60 min721%
61-120 min26%
2+ hrs39%

Performance by month

MonthFlightsOn-timeAvg delay
2026-032748%+33 min
2026-04667%+23 min

Performance by day of week

DayFlightsOn-time
Mon560%
Tue425%
Wed40%
Thu580%
Fri5100%
Sat540%
Sun540%

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