Historical on-time performance
Denver to Fresno
844 miData through Dec 2025Source: US DOT · BTS
Flights on DEN–FAT arrive on time 79% of the time over the last 12 months.
On-time rate79%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.1%of scheduled flights
based on 1,334 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.
- Southwest AirlinesOn-time79%Medianon timep9030 minCancel0.0%Flights310
- SkyWest AirlinesOn-time83%Medianon timep9035 minCancel0.0%Flights781
- United AirlinesOn-time67%Medianon timep9070 minCancel0.8%Flights243
Why flights run late
Delay causes
- Airline34%
- Weather8%
- Air traffic (NAS)17%
- Late aircraft41%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly DEN → FAT
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 68% to 86% on time.
- Mornings86% on time · p90 20 min · 78 flights · limited
- Middays81% on time · p90 30 min · 1,948 flights
- Afternoons78% on time · p90 35 min · 1,237 flights
- Evenings68% on time · p90 70 min · 1,096 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 80% on time.
- Tuesdays80% on time · p90 35 min · 619 flights
- Sundays78% on time · p90 40 min · 627 flights
- Mondays77% on time · p90 40 min · 627 flights
- Wednesdays77% on time · p90 45 min · 621 flights
- Thursdays76% on time · p90 40 min · 616 flights
- Fridays75% on time · p90 45 min · 624 flights
- Saturdays75% on time · p90 40 min · 628 flights
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