WN189 HOU → STL

Southwest Airlines · Houston, TX to St. Louis, MO · 4 flights observed, 2026-06-07 to 2026-06-28 · 687 mi

WN189 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
25%
Median delay
+21 min
90th percentile
+48 min
Cancellation rate
0%

How often is WN189 on time?

Across 4 flights on HOU → STL from 2026-06-07 to 2026-06-28, WN189 arrived within 15 minutes of schedule 25% of the time. The median arrival delay was +21 min, and the worst 10% of flights arrived +48 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time125%
16-30 min250%
31-60 min125%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-06425%+29 min

Performance by day of week

DayFlightsOn-time
MonNo data—
TueNo data—
WedNo data—
ThuNo data—
FriNo data—
SatNo data—
Sun425%

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