Historical on-time performance
Las Vegas to Austin
1,090 miData through May 2026Source: US DOT · BTS
Flights on LAS–AUS arrive on time 73% of the time over the last 12 months.
On-time rate73%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled0.3%of scheduled flights
based on 2,563 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Frontier AirlinesOn-time85%Medianon timep9035 minCancel0.0%Flights61
- Southwest AirlinesbestOn-time74%Medianon timep9045 minCancel0.2%Flights2,165
- Delta Air LinesOn-time65%Medianon timep9070 minCancel0.9%Flights337
Why flights run late
Delay causes
- Airline36%
- Weather2%
- Air traffic (NAS)15%
- Late aircraft47%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline14%
- Weather43%
- Air traffic (NAS)43%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 7 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly LAS → AUS
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 90% on time.
- Mornings90% on time · p90 10 min · 3,256 flights
- Middays73% on time · p90 40 min · 1,709 flights
- Evenings67% on time · p90 65 min · 2,414 flights
- Overnights65% on time · p90 60 min · 414 flights
- Afternoons64% on time · p90 65 min · 1,689 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 69% to 84% on time.
- Wednesdays84% on time · p90 25 min · 1,197 flights
- Saturdays83% on time · p90 25 min · 991 flights
- Tuesdays82% on time · p90 30 min · 1,213 flights
- Mondays73% on time · p90 45 min · 1,519 flights
- Fridays71% on time · p90 55 min · 1,535 flights
- Thursdays71% on time · p90 50 min · 1,519 flights
- Sundays69% on time · p90 55 min · 1,508 flights
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