WN2977 STL → HOU

Southwest Airlines · St. Louis, MO to Houston, TX · 59 flights observed, 2025-11-02 to 2026-01-05 · 687 mi

This flight's reliability varies a lot by day of week — 89% on-time on Tuesdays vs. 50% on Thursdays.

WN2977 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
69%
Median delay
+1 min
90th percentile
+32 min
Cancellation rate
0%

How often is WN2977 on time?

Across 59 flights on STL → HOU from 2025-11-02 to 2026-01-05, WN2977 arrived within 15 minutes of schedule 69% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +32 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4169%
16-30 min1119%
31-60 min35%
61-120 min12%
2+ hrs35%

Performance by month

MonthFlightsOn-timeAvg delay
2025-112572%+10 min
2025-122962%+17 min
2026-015100%-15 min

Performance by day of week

DayFlightsOn-time
Mon1070%
Tue989%
Wed956%
Thu850%
Fri978%
Sat560%
Sun978%

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