WN3590 HOU → SAT

Southwest Airlines · Houston, TX to San Antonio, TX · 44 flights observed, 2025-11-02 to 2026-01-05 · 192 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -8 min, while the worst 10% run +52 min or later.

WN3590 covers more than one route in the data window — the stats below are for HOU → SAT, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
77%
Median delay
-8 min
90th percentile
+52 min
Cancellation rate
0%

How often is WN3590 on time?

Across 44 flights on HOU → SAT from 2025-11-02 to 2026-01-05, WN3590 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +52 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3477%
16-30 min49%
31-60 min37%
61-120 min25%
2+ hrs12%

Performance by month

MonthFlightsOn-timeAvg delay
2025-112471%+8 min
2025-121889%-5 min
2026-01250%+83 min

Performance by day of week

DayFlightsOn-time
Mon786%
Tue6100%
Wed683%
Thu875%
Fri667%
Sat450%
Sun771%

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