Historical on-time performance
Las Vegas to Austin
1,090 miData through Dec 2025Source: US DOT · BTS
Flights on LAS–AUS arrive on time 75% of the time over the last 12 months.
On-time rate75%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled0.3%of scheduled flights
based on 2,530 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Southwest AirlinesOn-time77%Medianon timep9040 minCancel0.3%Flights2,163
- Frontier AirlinesOn-time80%Medianon timep9055 minCancel0.0%Flights30
- Delta Air LinesOn-time66%Medianon timep9070 minCancel0.6%Flights337
Why flights run late
Delay causes
- Airline31%
- Weather2%
- Air traffic (NAS)18%
- Late aircraft50%
- Security0%
Most delay minutes here are attributed to Late aircraft.
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 (2023-01 .. 2025-12).
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 · 3,421 flights
- Middays72% on time · p90 40 min · 1,685 flights
- Evenings67% on time · p90 65 min · 2,259 flights
- Overnights63% on time · p90 60 min · 506 flights
- Afternoons61% on time · p90 70 min · 1,786 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 69% to 82% on time.
- Saturdays82% on time · p90 30 min · 1,016 flights
- Wednesdays81% on time · p90 30 min · 1,241 flights
- Tuesdays80% on time · p90 35 min · 1,255 flights
- Mondays74% on time · p90 45 min · 1,542 flights
- Sundays70% on time · p90 50 min · 1,532 flights
- Fridays70% on time · p90 60 min · 1,540 flights
- Thursdays69% on time · p90 55 min · 1,531 flights
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