WN2903 MDW → STL

Southwest Airlines · Chicago, IL to St. Louis, MO · 19 flights observed, 2026-06-04 to 2026-06-30 · 251 mi

WN2903 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
61%
Median delay
+8 min
90th percentile
+69 min
Cancellation rate
5%

How often is WN2903 on time?

Across 19 flights on MDW → STL from 2026-06-04 to 2026-06-30, WN2903 arrived within 15 minutes of schedule 61% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +69 min or later. 5% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1161%
16-30 min211%
31-60 min317%
61-120 min16%
2+ hrs16%

Performance by month

MonthFlightsOn-timeAvg delay
2026-061861%+25 min

Performance by day of week

DayFlightsOn-time
Mon475%
Tue475%
Wed250%
Thu450%
Fri450%
SatNo data—
SunNo data—

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