WN424 MDW → SAT

Southwest Airlines · Chicago, IL to San Antonio, TX · 55 flights observed, 2025-11-02 to 2026-01-05 · 1,036 mi

WN424 covers more than one route in the data window — the stats below are for MDW → SAT, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
87%
Median delay
-11 min
90th percentile
+24 min
Cancellation rate
2%

How often is WN424 on time?

Across 55 flights on MDW → SAT from 2025-11-02 to 2026-01-05, WN424 arrived within 15 minutes of schedule 87% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +24 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4787%
16-30 min24%
31-60 min24%
61-120 min24%
2+ hrs12%

Performance by month

MonthFlightsOn-timeAvg delay
2025-112396%-14 min
2025-122778%+7 min
2026-014100%-16 min

Performance by day of week

DayFlightsOn-time
Mon989%
Tue989%
Wed989%
Thu8100%
Fri989%
SatNo data—
Sun1070%

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