Best Time to Fly PIE to GRR: On-Time Stats by Hour & Airline
St Pete Clearwater International → Gerald R. Ford International
Data through July 2026 · Last updated October 18, 2026
381 flights were scheduled from St. Petersburg (PIE) to Grand Rapids (GRR) in the last 12 months, and 75.7% of those that flew arrived on time, 2.0 points below the US average of 77.6%.
Allegiant Air was the only reporting airline with regular flights on this route.
Over 24 months, Wednesday was the most reliable day (87% on time) and July the worst month (61%).
The cancellation rate was 0.3% (US average 1.8%).
PIE to GRR on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Allegiant Air | 75.7% | 59 min | 0.3% | 381 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PIE to GRR
On-time arrival % by scheduled departure hour (local time), 770 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | Limited data | 19 | |
| 7am–8am | 88.5% | 0.0% | 52 |
| 8am–9am | Limited data | 20 | |
| 9am–10am | 92.2% | 1.9% | 52 |
| 10am–11am | 65.3% | 0.0% | 49 |
| 11am–12pm | 77.8% | 0.0% | 100 |
| 12pm–1pm | 78.2% | 1.3% | 79 |
| 1pm–2pm | Limited data | 16 | |
| 2pm–3pm | Limited data | 23 | |
| 3pm–4pm | Limited data | 26 | |
| 4pm–5pm | Limited data | 22 | |
| 5pm–6pm | 69.5% | 0.0% | 82 |
| 6pm–7pm | 60.2% | 1.0% | 100 |
| 7pm–8pm | 75.5% | 2.1% | 96 |
| 8pm–9pm | 82.3% | 0.0% | 34 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PIE to GRR
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 21 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 67.2% | -13.7 pts | 0.0% | 58 |
| Summer peak (Jun 15 - Aug 15) | 67.6% | -13.3 pts | 0.0% | 111 |
| All other days | 80.9% | — | 1.2% | 580 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).