OnTimeStats

Historical on-time performance

Phoenix to Nashville

1,448 miData through Dec 2025Source: US DOT · BTS

Flights on PHX–BNA arrive on time 78% of the time over the last 12 months.

On-time rate78%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.6%of scheduled flights

based on 2,401 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 Airlines
    On-time79%
    Medianon time
    p9030 min
    Cancel0.7%
    Flights1,873
  • American Airlines
    On-time75%
    Medianon time
    p9045 min
    Cancel0.4%
    Flights528

Why flights run late

Delay causes

  • Airline35%
  • Weather0%
  • Air traffic (NAS)13%
  • Late aircraft52%
  • 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 PHX → BNA

All airlines · rolling 36 months (2023-01 .. 2025-12).

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 · 2,460 flights
  • Middays80% on time · p90 30 min · 1,181 flights
  • Evenings72% on time · p90 45 min · 1,207 flights
  • Overnights70% on time · p90 35 min · 234 flights
  • Afternoons70% on time · p90 50 min · 1,670 flights

Best day of week

On-time rates are fairly even by day on this route — ranging from 77% to 83% on time.

  • Saturdays83% on time · p90 25 min · 857 flights
  • Wednesdays82% on time · p90 25 min · 937 flights
  • Tuesdays81% on time · p90 25 min · 940 flights
  • Mondays80% on time · p90 30 min · 1,023 flights
  • Fridays77% on time · p90 35 min · 1,012 flights
  • Sundays77% on time · p90 40 min · 988 flights
  • Thursdays77% on time · p90 30 min · 999 flights
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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.