OnTimeStats

Historical on-time performance

Nashville to Denver

1,014 miData through May 2026Source: US DOT · BTS

Flights on BNA–DEN arrive on time 75% of the time over the last 12 months.

On-time rate75%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled0.6%of scheduled flights

based on 3,556 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.

  • United Airlines
    On-time78%
    Medianon time
    p9045 min
    Cancel0.8%
    Flights1,160
  • Frontier Airlines
    On-time75%
    Medianon time
    p9060 min
    Cancel1.3%
    Flights236
  • Southwest Airlines
    On-time73%
    Medianon time
    p9045 min
    Cancel0.5%
    Flights2,160

Why flights run late

Delay causes

  • Airline28%
  • Weather3%
  • Air traffic (NAS)33%
  • Late aircraft35%
  • Security0%

Most delay minutes here are attributed to Late aircraft.

When flights don't go

Why flights were cancelled

  • Airline32%
  • Weather59%
  • Air traffic (NAS)9%
  • Security0%

Most cancellations here are attributed to Weather. Shares are among 22 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 BNA → 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 — 90% on time.

  • Mornings90% on time · p90 10 min · 3,461 flights
  • Middays83% on time · p90 25 min · 2,267 flights
  • Afternoons72% on time · p90 60 min · 2,346 flights
  • Overnights71% on time · p90 45 min · 1,205 flights
  • Evenings65% on time · p90 70 min · 2,396 flights

Best day of week

On-time rates are fairly even by day on this route — ranging from 76% to 80% on time.

  • Tuesdays80% on time · p90 40 min · 1,475 flights
  • Wednesdays79% on time · p90 35 min · 1,566 flights
  • Saturdays79% on time · p90 35 min · 1,289 flights
  • Mondays79% on time · p90 40 min · 1,822 flights
  • Sundays77% on time · p90 40 min · 1,832 flights
  • Fridays76% on time · p90 50 min · 1,862 flights
  • Thursdays76% on time · p90 45 min · 1,829 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.