OnTimeStats

Historical on-time performance

Grand Rapids to Sarasota

1,080 miData through Dec 2025Source: US DOT · BTS

Flights on GRR–SRQ arrive on time 73% of the time over the last 12 months.

On-time rate73%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights

based on 30 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).

By airline

How each carrier compares

  • Allegiant Air
    On-time73%
    Medianon time
    p9055 min
    Cancel0.0%
    Flights30

Why flights run late

Delay causes

  • Airline56%
  • Weather0%
  • Air traffic (NAS)42%
  • Late aircraft2%
  • Security0%

Most delay minutes here are attributed to Airline.

Over time

On-time trend

The monthly trend appears once more than one month of data is loaded. Currently showing a single month.

By season

On-time rate by month

The seasonal pattern appears once multiple months of the year are loaded.

When to fly

Best time to fly GRR → SRQ

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

Best time of day

On-time rates are fairly even by time of day on this route — ranging from 71% to 86% on time.

  • Mornings86% on time · p90 35 min · 115 flights · limited
  • Middays80% on time · p90 55 min · 90 flights · limited
  • Afternoons72% on time · p90 60 min · 166 flights · limited
  • Evenings71% on time · p90 60 min · 79 flights · limited

Best day of week

On-time rates are fairly even by day on this route — ranging from 73% to 80% on time.

  • Wednesdays80% on time · p90 45 min · 89 flights · limited
  • Sundays78% on time · p90 55 min · 69 flights · limited
  • Thursdays78% on time · p90 35 min · 72 flights · limited
  • Mondays77% on time · p90 75 min · 57 flights · limited
  • Saturdays73% on time · p90 50 min · 106 flights · limited
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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.