Historical on-time performance
Hailey to Denver
557 miData through May 2026Source: US DOT · BTS
Flights on SUN–DEN arrive on time 83% of the time over the last 12 months.
On-time rate83%arrived within 15 min
p90 delay60 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 631 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time83%Medianon timep9060 minCancel0.0%Flights631
Why flights run late
Delay causes
- Airline36%
- Weather21%
- Air traffic (NAS)23%
- Late aircraft20%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline5%
- Weather90%
- Air traffic (NAS)5%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 39 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 SUN → 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 — 88% on time.
- Mornings88% on time · p90 20 min · 621 flights
- Afternoons81% on time · p90 60 min · 1,085 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 80% to 86% on time.
- Saturdays86% on time · p90 25 min · 250 flights
- Wednesdays85% on time · p90 55 min · 240 flights
- Tuesdays85% on time · p90 50 min · 242 flights
- Sundays84% on time · p90 45 min · 249 flights
- Mondays83% on time · p90 40 min · 244 flights
- Fridays80% on time · p90 70 min · 250 flights
- Thursdays80% on time · p90 70 min · 240 flights
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