Historical on-time performance
Austin to Las Vegas
1,090 miData through May 2026Source: US DOT · BTS
Flights on AUS–LAS 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)
Cancelled0.4%of scheduled flights
based on 2,565 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesbestOn-time76%Medianon timep9040 minCancel0.3%Flights2,167
- Frontier AirlinesOn-time69%Medianon timep9065 minCancel0.0%Flights61
- Delta Air LinesOn-time67%Medianon timep9065 minCancel0.9%Flights337
Why flights run late
Delay causes
- Airline32%
- Weather3%
- Air traffic (NAS)15%
- Late aircraft50%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline44%
- Weather33%
- Air traffic (NAS)22%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 9 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 AUS → LAS
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 — 94% on time.
- Mornings94% on time · p90 5 min · 2,000 flights
- Middays80% on time · p90 30 min · 1,877 flights
- Afternoons70% on time · p90 60 min · 2,751 flights
- Evenings67% on time · p90 50 min · 1,355 flights
- Overnights66% on time · p90 65 min · 1,492 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 83% on time.
- Tuesdays83% on time · p90 30 min · 1,208 flights
- Wednesdays82% on time · p90 30 min · 1,186 flights
- Saturdays81% on time · p90 35 min · 998 flights
- Mondays73% on time · p90 50 min · 1,519 flights
- Fridays73% on time · p90 50 min · 1,543 flights
- Thursdays72% on time · p90 50 min · 1,513 flights
- Sundays72% on time · p90 50 min · 1,508 flights
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