HOU → MIA Southwest Airlines

Southwest Airlines · Houston, TX to Miami, FL · 289 flights, 2025-07-01 to 2026-06-30 · aggregated across 20 flight numbers

This route runs much more reliably at some times of day than others — 75% on-time departing 9am–12pm vs. 25% departing 9pm–12am.
On-time arrival
54%
Median delay
+12 min
90th percentile
+63 min
Cancellation rate
1%

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

Across every Southwest Airlines flight number on HOU → MIA (289 flights, 2025-07-01 to 2026-06-30), 54% arrived within 15 minutes of schedule. Median arrival delay +12 min; the worst 10% ran +63 min or later. 1% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time15454%
16-30 min4516%
31-60 min5318%
61-120 min259%
2+ hrs103%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073956%+20 min
2025-082875%+20 min
2025-092584%-1 min
2025-102171%+11 min
2025-112085%+5 min
2025-121735%+28 min
2026-01888%+7 min
2026-024100%-9 min
2026-032623%+57 min
2026-043040%+26 min
2026-053135%+27 min
2026-063832%+36 min

Performance by day of week

DayFlightsOn-time
Mon3951%
Tue2540%
Wed2348%
Thu3842%
Fri4248%
Sat6874%
Sun5252%

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