MIA → AUS Southwest Airlines

Southwest Airlines · Miami, FL to Austin, TX · 348 flights, 2025-07-01 to 2026-06-30 · aggregated across 27 flight numbers

This route runs much more reliably at some times of day than others — 97% on-time departing 6–9am vs. 53% departing 3–6pm.
On-time arrival
69%
Median delay
+1 min
90th percentile
+50 min
Cancellation rate
0%

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

Across every Southwest Airlines flight number on MIA → AUS (348 flights, 2025-07-01 to 2026-06-30), 69% arrived within 15 minutes of schedule. Median arrival delay +1 min; the worst 10% ran +50 min or later. 0% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time24169%
16-30 min4012%
31-60 min4212%
61-120 min185%
2+ hrs62%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073168%+9 min
2025-082370%+7 min
2025-092190%+0 min
2025-103067%+4 min
2025-113087%+6 min
2025-123142%+35 min
2026-013275%0 min
2026-022882%+1 min
2026-033070%+1 min
2026-043070%+20 min
2026-053165%+19 min
2026-063057%+14 min

Performance by day of week

DayFlightsOn-time
Mon5180%
Tue4477%
Wed4384%
Thu5263%
Fri5362%
Sat5269%
Sun5254%

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