OnTimeStats

Historical on-time performance

Denver to Fresno

844 miData through May 2026Source: US DOT · BTS

Flights on DEN–FAT arrive on time 82% of the time over the last 12 months.

On-time rate82%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.1%of scheduled flights

based on 1,242 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).

By airline

How each carrier compares

  • SkyWest Airlinesbest
    On-time87%
    Medianon time
    p9020 min
    Cancel0.0%
    Flights749
  • Southwest Airlines
    On-time78%
    Medianon time
    p9025 min
    Cancel0.0%
    Flights249
  • United Airlines
    On-time68%
    Medianon time
    p9055 min
    Cancel0.4%
    Flights244

Why flights run late

Delay causes

  • Airline35%
  • Weather9%
  • Air traffic (NAS)15%
  • Late aircraft42%
  • Security0%

Most delay minutes here are attributed to Late aircraft.

When flights don't go

Why flights were cancelled

  • Airline0%
  • Weather100%
  • Air traffic (NAS)0%
  • Security0%

Most cancellations here are attributed to Weather. Shares are among 1 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 DEN → FAT

All airlines · rolling 36 months (2023-06 .. 2026-05).

Best time of day

Middays are the most reliable time of day to fly this route — 82% on time.

  • Middays82% on time · p90 25 min · 1,931 flights
  • Afternoons79% on time · p90 30 min · 1,257 flights
  • Evenings70% on time · p90 65 min · 1,096 flights

Best day of week

On-time rates are fairly even by day on this route — ranging from 75% to 82% on time.

  • Tuesdays82% on time · p90 30 min · 615 flights
  • Wednesdays80% on time · p90 35 min · 618 flights
  • Sundays80% on time · p90 40 min · 628 flights
  • Mondays79% on time · p90 40 min · 623 flights
  • Thursdays79% on time · p90 35 min · 620 flights
  • Saturdays76% on time · p90 35 min · 623 flights
  • Fridays75% on time · p90 50 min · 628 flights

Keep exploring

Related pages

Methodology

A flight is on time when it arrives within 15 minutes of schedule — the US DOT / BTS standard. Median and p90(the “1-in-10 bad day”) are read from the full arrival-delay distribution, never averaged across periods.

Figures cover a carrier’s own BTS-coded flights. Cells below ~200 flights are flagged as limited data. All numbers are pre-computed from public BTS On-Time Performance data.