AUS → LAS Southwest Airlines

Southwest Airlines · Austin, TX to Las Vegas, NV · 2,177 flights, 2025-07-01 to 2026-06-30 · aggregated across 103 flight numbers

This route runs much more reliably at some times of day than others — 98% on-time departing 6–9am vs. 58% departing 9pm–12am.
On-time arrival
76%
Median delay
-2 min
90th percentile
+42 min
Cancellation rate
0%

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

Across every Southwest Airlines flight number on AUS → LAS (2,177 flights, 2025-07-01 to 2026-06-30), 76% arrived within 15 minutes of schedule. Median arrival delay -2 min; the worst 10% ran +42 min or later. 0% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1,63876%
16-30 min22410%
31-60 min1648%
61-120 min1055%
2+ hrs332%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0717672%+10 min
2025-0816479%+3 min
2025-0915875%+8 min
2025-1019173%+11 min
2025-1118977%+7 min
2025-1220182%+1 min
2026-0115884%-2 min
2026-0215882%+0 min
2026-0319779%-2 min
2026-0419075%+8 min
2026-0519474%+11 min
2026-0618858%+21 min

Performance by day of week

DayFlightsOn-time
Mon34369%
Tue29982%
Wed29483%
Thu34273%
Fri33973%
Sat21383%
Sun33471%

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