WN126 CMH → MDW

Southwest Airlines · Columbus, OH to Chicago, IL · 50 flights observed, 2026-01-06 to 2026-03-04 · 283 mi

This flight's reliability varies a lot by day of week — 89% on-time on Tuesdays vs. 43% on Sundays.

WN126 covers more than one route in the data window — the stats below are for CMH → MDW, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
71%
Median delay
-2 min
90th percentile
+37 min
Cancellation rate
2%

How often is WN126 on time?

Across 50 flights on CMH → MDW from 2026-01-06 to 2026-03-04, WN126 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +37 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3571%
16-30 min612%
31-60 min612%
61-120 min24%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-012176%+3 min
2026-022467%+8 min
2026-03475%+1 min

Performance by day of week

DayFlightsOn-time
Mon850%
Tue989%
Wed989%
Thu863%
Fri888%
SatNo data—
Sun743%

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