Historical on-time performance
Austin to Denver
Flights on AUS–DEN arrive on time 77% of the time over the last 12 months.
based on 5,231 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.
- Frontier AirlinesOn-time85%Medianon timep9025 minCancel0.6%Flights521
- SkyWest AirlinesOn-time83%Medianon timep9040 minCancel0.7%Flights430
- United AirlinesOn-time79%Medianon timep9040 minCancel1.3%Flights1,933
- Southwest AirlinesOn-time73%Medianon timep9055 minCancel0.5%Flights2,347
Why flights run late
Delay causes
- Airline24%
- Weather4%
- Air traffic (NAS)31%
- Late aircraft41%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline35%
- Weather47%
- Air traffic (NAS)19%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 43 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 → DEN
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 10 min · 4,364 flights
- Middays87% on time · p90 20 min · 3,978 flights
- Afternoons71% on time · p90 60 min · 2,537 flights
- Overnights67% on time · p90 60 min · 1,190 flights
- Evenings63% on time · p90 75 min · 2,396 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 82% on time.
- Saturdays82% on time · p90 30 min · 1,621 flights
- Tuesdays82% on time · p90 35 min · 1,925 flights
- Wednesdays81% on time · p90 35 min · 1,973 flights
- Mondays79% on time · p90 35 min · 2,237 flights
- Thursdays78% on time · p90 40 min · 2,255 flights
- Sundays77% on time · p90 40 min · 2,194 flights
- Fridays77% on time · p90 45 min · 2,260 flights
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