WN15 HOU → MDW

Southwest Airlines · Houston, TX to Chicago, IL · 17 flights observed, 2025-11-02 to 2026-01-05 · 937 mi

This flight has been cancelled 12% of the time in the ingested window — notably higher than typical.

WN15 covers more than one route in the data window — the stats below are for HOU → MDW, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
73%
Median delay
-10 min
90th percentile
+28 min
Cancellation rate
12%

How often is WN15 on time?

Across 17 flights on HOU → MDW from 2025-11-02 to 2026-01-05, WN15 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +28 min or later. 12% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1173%
16-30 min320%
31-60 min17%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-111070%+3 min
2025-12475%-4 min
2026-011100%-10 min

Performance by day of week

DayFlightsOn-time
Mon333%
TueNo data—
WedNo data—
Thu250%
Fri5100%
SatNo data—
Sun580%

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