MCI → MIA Southwest Airlines

Southwest Airlines · Kansas City, MO to Miami, FL · 181 flights, 2025-07-03 to 2026-06-30 · aggregated across 16 flight numbers

This route runs much more reliably at some times of day than others — 88% on-time departing 6–9am vs. 43% departing 3–6pm.
On-time arrival
72%
Median delay
-2 min
90th percentile
+43 min
Cancellation rate
1%

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

Across every Southwest Airlines flight number on MCI → MIA (181 flights, 2025-07-03 to 2026-06-30), 72% arrived within 15 minutes of schedule. Median arrival delay -2 min; the worst 10% ran +43 min or later. 1% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time12972%
16-30 min2614%
31-60 min148%
61-120 min74%
2+ hrs42%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072167%+11 min
2025-08475%+9 min
2025-11580%+4 min
2025-121136%+53 min
2026-011283%+2 min
2026-021953%+27 min
2026-033259%+15 min
2026-042378%-3 min
2026-052378%+6 min
2026-063097%-13 min

Performance by day of week

DayFlightsOn-time
Mon3080%
Tue1267%
Wed9100%
Thu2774%
Fri3073%
Sat4065%
Sun3263%

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