Historical on-time performance
Denver to Austin
Flights on DEN–AUS arrive on time 76% of the time over the last 12 months.
based on 5,230 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.
- SkyWest AirlinesOn-time81%Medianon timep9040 minCancel0.7%Flights430
- United AirlinesOn-time79%Medianon timep9040 minCancel0.6%Flights1,932
- Southwest AirlinesOn-time73%Medianon timep9045 minCancel0.5%Flights2,347
- Frontier AirlinesOn-time71%Medianon timep9060 minCancel0.8%Flights521
Why flights run late
Delay causes
- Airline33%
- Weather3%
- Air traffic (NAS)17%
- Late aircraft47%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline23%
- Weather43%
- Air traffic (NAS)33%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 30 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 DEN → 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 — 89% on time.
- Mornings89% on time · p90 15 min · 4,152 flights
- Middays80% on time · p90 35 min · 3,497 flights
- Afternoons69% on time · p90 50 min · 1,893 flights
- Evenings65% on time · p90 65 min · 2,847 flights
- Overnights65% on time · p90 70 min · 2,070 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 80% on time.
- Wednesdays80% on time · p90 35 min · 1,984 flights
- Tuesdays80% on time · p90 35 min · 1,918 flights
- Saturdays77% on time · p90 40 min · 1,619 flights
- Mondays76% on time · p90 40 min · 2,237 flights
- Sundays74% on time · p90 50 min · 2,209 flights
- Thursdays74% on time · p90 45 min · 2,242 flights
- Fridays73% on time · p90 50 min · 2,252 flights
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