WN1881 STL → HOU

Southwest Airlines · St. Louis, MO to Houston, TX · 14 flights observed, 2025-10-04 to 2025-11-01 · 687 mi

This flight has a strong track record — on time 93% of the time, with a low cancellation rate.

WN1881 covers more than one route in the data window — the stats below are for STL → HOU, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
93%
Median delay
-15 min
90th percentile
+14 min
Cancellation rate
0%

How often is WN1881 on time?

Across 14 flights on STL → HOU from 2025-10-04 to 2025-11-01, WN1881 arrived within 15 minutes of schedule 93% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +14 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1393%
16-30 min00%
31-60 min17%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-101392%-8 min
2025-111100%+15 min

Performance by day of week

DayFlightsOn-time
MonNo data—
Tue4100%
Wed4100%
ThuNo data—
Fri1100%
Sat580%
SunNo data—

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