MIA → HOU Southwest Airlines

Southwest Airlines · Miami, FL to Houston, TX · 291 flights, 2025-07-01 to 2026-06-30 · aggregated across 24 flight numbers

This route runs much more reliably at some times of day than others — 98% on-time departing 3–6am vs. 56% departing 6–9pm.
On-time arrival
74%
Median delay
-4 min
90th percentile
+60 min
Cancellation rate
1%

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

Across every Southwest Airlines flight number on MIA → HOU (291 flights, 2025-07-01 to 2026-06-30), 74% arrived within 15 minutes of schedule. Median arrival delay -4 min; the worst 10% ran +60 min or later. 1% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time21374%
16-30 min228%
31-60 min248%
61-120 min176%
2+ hrs124%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073876%+7 min
2025-082871%+29 min
2025-092568%+20 min
2025-102176%+5 min
2025-112040%+38 min
2025-121856%+31 min
2026-01967%+14 min
2026-02425%+53 min
2026-032681%+5 min
2026-043097%-6 min
2026-053168%+8 min
2026-063892%-4 min

Performance by day of week

DayFlightsOn-time
Mon3979%
Tue2588%
Wed2383%
Thu3887%
Fri4384%
Sat6860%
Sun5260%

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