Historical on-time performance
Hays to Denver
298 miData through May 2026Source: US DOT · BTS
Flights on HYS–DEN arrive on time 79% of the time over the last 12 months.
On-time rate79%arrived within 15 min
p90 delay70 min1 in 10 flights is worse (tail risk)
Cancelled2.9%of scheduled flights
based on 627 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time79%Medianon timep9070 minCancel2.9%Flights627
Why flights run late
Delay causes
- Airline35%
- Weather12%
- Air traffic (NAS)20%
- Late aircraft33%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather89%
- Air traffic (NAS)11%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 18 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 HYS → DEN
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 68% to 89% on time.
- Mornings89% on time · p90 10 min · 790 flights
- Middays86% on time · p90 30 min · 300 flights
- Evenings68% on time · p90 85 min · 474 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 89% on time.
- Tuesdays89% on time · p90 10 min · 159 flights · limited
- Thursdays85% on time · p90 25 min · 257 flights
- Wednesdays84% on time · p90 55 min · 259 flights
- Saturdays84% on time · p90 30 min · 161 flights · limited
- Mondays81% on time · p90 65 min · 258 flights
- Fridays80% on time · p90 45 min · 261 flights
- Sundays77% on time · p90 50 min · 261 flights
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