Best Time to Fly GRR to EWR: On-Time Stats by Hour & Airline
Gerald R. Ford International → Newark Liberty International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 79.3% of Grand Rapids (GRR) to Newark (EWR) flights arrived on time (863 scheduled flights). That is 1.6 points above the national average of 77.6%.
Republic Airways was the only reporting airline with regular flights on this route.
April has been the best month (86% on time) and Sunday the weakest day of the week (79%).
4.2% of flights were cancelled, versus 1.8% nationally.
GRR to EWR 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 | 79.4% | 74 min | 4.3% | 845 |
| Allegiant Air | Limited data | 16 | ||
| United Airlines | Limited data | 2 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly GRR to EWR
On-time arrival % by scheduled departure hour (local time), 1,674 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 1 | |
| 6am–7am | 88.6% | 3.1% | 544 |
| 7am–8am | 90.7% | 1.8% | 164 |
| 9am–10am | Limited data | 28 | |
| 10am–11am | Limited data | 13 | |
| 11am–12pm | Limited data | 11 | |
| 12pm–1pm | 78.6% | 6.6% | 61 |
| 1pm–2pm | 77.3% | 5.3% | 550 |
| 2pm–3pm | Limited data | 19 | |
| 3pm–4pm | 83.6% | 1.8% | 57 |
| 4pm–5pm | 74.3% | 12.6% | 127 |
| 5pm–6pm | 61.5% | 1.3% | 79 |
| 6pm–7pm | Limited data | 20 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on GRR to EWR
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 | 26 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 80.7% | -1.4 pts | 1.7% | 59 |
| Summer peak (Jun 15 - Aug 15) | 80.2% | -1.8 pts | 9.1% | 350 |
| All other days | 82.1% | — | 3.1% | 1,239 |
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).