WN1265 MDW → STL

Southwest Airlines · Chicago, IL to St. Louis, MO · 21 flights observed, 2025-07-01 to 2025-08-03 · 251 mi

This flight's reliability varies a lot by day of week — 80% on-time on Wednesdays vs. 40% on Tuesdays.

WN1265 covers more than one route in the data window — the stats below are for MDW → STL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
57%
Median delay
+9 min
90th percentile
+48 min
Cancellation rate
0%

How often is WN1265 on time?

Across 21 flights on MDW → STL from 2025-07-01 to 2025-08-03, WN1265 arrived within 15 minutes of schedule 57% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +48 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1257%
16-30 min524%
31-60 min210%
61-120 min15%
2+ hrs15%

Performance by month

MonthFlightsOn-timeAvg delay
2025-071958%+18 min
2025-08250%+19 min

Performance by day of week

DayFlightsOn-time
MonNo data—
Tue540%
Wed580%
ThuNo data—
Fri1100%
Sat560%
Sun540%

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