MCI → MDW Southwest Airlines

Southwest Airlines · Kansas City, MO to Chicago, IL · 2,097 flights, 2025-07-01 to 2026-06-30 · aggregated across 113 flight numbers

This route runs much more reliably at some times of day than others — 92% on-time departing 3–6am vs. 57% departing 9pm–12am.
On-time arrival
80%
Median delay
-4 min
90th percentile
+33 min
Cancellation rate
1%

How on-time is Southwest Airlines from MCI to MDW?

Across every Southwest Airlines flight number on MCI → MDW (2,097 flights, 2025-07-01 to 2026-06-30), 80% arrived within 15 minutes of schedule. Median arrival delay -4 min; the worst 10% ran +33 min or later. 1% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1,65280%
16-30 min1939%
31-60 min1186%
61-120 min643%
2+ hrs412%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0719871%+16 min
2025-0818578%+7 min
2025-0917885%+3 min
2025-1019879%+7 min
2025-1115185%+1 min
2025-1216578%+7 min
2026-0115288%-4 min
2026-0213690%-6 min
2026-0316777%+10 min
2026-0416985%+3 min
2026-0517676%+9 min
2026-0619373%+8 min

Performance by day of week

DayFlightsOn-time
Mon31177%
Tue31287%
Wed30784%
Thu31577%
Fri30580%
Sat22784%
Sun29172%

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…