OnTimeStats

Historical on-time performance

Sioux Falls to Denver

483 miData through May 2026Source: US DOT · BTS

Flights on FSD–DEN arrive on time 77% of the time over the last 12 months.

On-time rate77%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled1.6%of scheduled flights

based on 1,572 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).

By airline

How each carrier compares

  • SkyWest Airlinesbest
    On-time80%
    Medianon time
    p9045 min
    Cancel1.5%
    Flights1,294
  • United Airlines
    On-time65%
    Medianon time
    p9055 min
    Cancel1.8%
    Flights278

Why flights run late

Delay causes

  • Airline37%
  • Weather15%
  • Air traffic (NAS)32%
  • Late aircraft17%
  • Security0%

Most delay minutes here are attributed to Airline.

When flights don't go

Why flights were cancelled

  • Airline16%
  • Weather76%
  • Air traffic (NAS)8%
  • Security0%

Most cancellations here are attributed to Weather. Shares are among 25 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 FSD → DEN

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 — 88% on time.

  • Middays88% on time · p90 20 min · 1,281 flights
  • Mornings80% on time · p90 30 min · 2,091 flights
  • Afternoons75% on time · p90 60 min · 476 flights
  • Evenings66% on time · p90 85 min · 1,162 flights

Best day of week

On-time rates are fairly even by day on this route — ranging from 76% to 79% on time.

  • Wednesdays79% on time · p90 35 min · 720 flights
  • Sundays79% on time · p90 45 min · 729 flights
  • Tuesdays79% on time · p90 45 min · 676 flights
  • Mondays78% on time · p90 40 min · 782 flights
  • Thursdays78% on time · p90 40 min · 717 flights
  • Saturdays77% on time · p90 45 min · 686 flights
  • Fridays76% on time · p90 55 min · 785 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.