Historical on-time performance
Pierre to Denver
385 miData through May 2026Source: US DOT · BTS
Flights on PIR–DEN arrive on time 78% of the time over the last 12 months.
On-time rate78%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled2.2%of scheduled flights
based on 556 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time78%Medianon timep9045 minCancel2.2%Flights556
Why flights run late
Delay causes
- Airline47%
- Weather11%
- Air traffic (NAS)19%
- Late aircraft23%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather83%
- Air traffic (NAS)17%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 12 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 PIR → 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 — 85% on time.
- Mornings85% on time · p90 25 min · 303 flights
- Evenings70% on time · p90 65 min · 253 flights
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