OnTimeStats

Historical on-time performance

Key West to Charlotte

736 miData through May 2026Source: US DOT · BTS

Flights on EYW–CLT arrive on time 80% of the time over the last 12 months.

On-time rate80%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled2.7%of scheduled flights

based on 1,187 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.

  • Envoy Air
    On-time81%
    Medianon time
    p9025 min
    Cancel2.1%
    Flights281
  • American Airlines
    On-time79%
    Medianon time
    p9040 min
    Cancel2.9%
    Flights906

Why flights run late

Delay causes

  • Airline35%
  • Weather10%
  • Air traffic (NAS)5%
  • Late aircraft50%
  • Security0%

Most delay minutes here are attributed to Late aircraft.

When flights don't go

Why flights were cancelled

  • Airline3%
  • Weather59%
  • Air traffic (NAS)38%
  • Security0%

Most cancellations here are attributed to Weather. Shares are among 32 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 EYW → CLT

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 — 84% on time.

  • Mornings84% on time · p90 20 min · 563 flights
  • Middays76% on time · p90 50 min · 1,145 flights
  • Afternoons70% on time · p90 55 min · 1,671 flights
  • Evenings69% on time · p90 65 min · 573 flights

Best day of week

On-time rates are fairly even by day on this route — ranging from 69% to 78% on time.

  • Wednesdays78% on time · p90 35 min · 561 flights
  • Thursdays77% on time · p90 45 min · 568 flights
  • Fridays76% on time · p90 50 min · 575 flights
  • Tuesdays75% on time · p90 45 min · 537 flights
  • Mondays71% on time · p90 60 min · 573 flights
  • Sundays70% on time · p90 60 min · 578 flights
  • Saturdays69% on time · p90 55 min · 560 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.