Historical on-time performance
St. Petersburg to Grand Rapids
1,044 miData through May 2026Source: US DOT · BTS
Flights on PIE–GRR arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.3%of scheduled flights
based on 291 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Allegiant AirOn-time77%Medianon timep9035 minCancel0.3%Flights291
Why flights run late
Delay causes
- Airline13%
- Weather19%
- Air traffic (NAS)15%
- Late aircraft53%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather100%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 1 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 PIE → GRR
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 — 89% on time.
- Mornings89% on time · p90 15 min · 179 flights · limited
- Middays77% on time · p90 35 min · 417 flights
- Evenings70% on time · p90 70 min · 370 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 67% to 83% on time.
- Wednesdays83% on time · p90 35 min · 120 flights · limited
- Saturdays83% on time · p90 25 min · 171 flights · limited
- Mondays78% on time · p90 40 min · 187 flights · limited
- Fridays77% on time · p90 45 min · 189 flights · limited
- Thursdays74% on time · p90 55 min · 167 flights · limited
- Sundays67% on time · p90 70 min · 168 flights · limited
Keep exploring