WN2634 SAT → MDW

Southwest Airlines · San Antonio, TX to Chicago, IL · 42 flights observed, 2025-11-02 to 2026-01-05 · 1,036 mi

This flight's reliability varies a lot by day of week — 100% on-time on Tuesdays vs. 63% on Wednesdays.

WN2634 covers more than one route in the data window — the stats below are for SAT → MDW, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
78%
Median delay
-1 min
90th percentile
+21 min
Cancellation rate
2%

How often is WN2634 on time?

Across 42 flights on SAT → MDW from 2025-11-02 to 2026-01-05, WN2634 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +21 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3278%
16-30 min615%
31-60 min37%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-112181%+1 min
2025-121872%+7 min
2026-012100%+1 min

Performance by day of week

DayFlightsOn-time
Mon683%
Tue6100%
Wed863%
Thu863%
Fri6100%
SatNo data—
Sun771%

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