Best Time to Fly PHL to GRR: On-Time Stats by Hour & Airline
Philadelphia International → Gerald R. Ford International
Data through July 2026 · Last updated October 18, 2026
358 flights were scheduled from Philadelphia (PHL) to Grand Rapids (GRR) in the last 12 months, and 80.1% of those that flew arrived on time, 2.5 points above the US average of 77.6%.
Among 2 airlines, Republic Airways led with 89.2% on time and PSA Airlines was last with 79.6%.
Over 24 months, Wednesday was the most reliable day (91% on time) and July the worst month (70%).
The cancellation rate was 4.5% (US average 1.8%).
PHL 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 |
|---|---|---|---|---|
| Republic Airways | 89.2% | 103 min | 2.6% | 38 |
| PSA Airlines | 79.6% | 70 min | 5.0% | 299 |
| Allegiant Air | Limited data | 21 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PHL to GRR
On-time arrival % by scheduled departure hour (local time), 388 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 9am–10am | Limited data | 10 | |
| 10am–11am | 87.7% | 3.6% | 84 |
| 11am–12pm | 79.5% | 1.4% | 74 |
| 12pm–1pm | Limited data | 17 | |
| 1pm–2pm | Limited data | 2 | |
| 3pm–4pm | Limited data | 3 | |
| 4pm–5pm | Limited data | 21 | |
| 5pm–6pm | Limited data | 16 | |
| 6pm–7pm | Limited data | 12 | |
| 7pm–8pm | Limited data | 7 | |
| 9pm–10pm | 74.8% | 10.6% | 142 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PHL to GRR
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Summer peak (Jun 15 - Aug 15) | 72.5% | -10.4 pts | 9.2% | 152 |
| All other days | 82.9% | — | 3.4% | 236 |
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).