Best Time to Fly EWR to BOS: On-Time Stats by Hour & Airline
Newark Liberty International → Logan International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 72.0% of Newark (EWR) to Boston (BOS) flights arrived on time (3,866 scheduled flights). That is 5.6 points below the national average of 77.6%.
Republic Airways was the most punctual of the 2 airlines on the route at 73.8%, while United Airlines trailed at 71.2%.
January has been the best month (83% on time) and Thursday the weakest day of the week (67%).
3.7% of flights were cancelled, versus 1.8% nationally.
EWR to BOS 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 | 73.8% | 74 min | 5.5% | 1,178 |
| United Airlines | 71.2% | 76 min | 2.9% | 2,688 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly EWR to BOS
On-time arrival % by scheduled departure hour (local time), 7,875 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 91.8% | 2.3% | 351 |
| 7am–8am | 87.8% | 2.0% | 392 |
| 8am–9am | 87.3% | 1.3% | 893 |
| 9am–10am | 85.9% | 2.3% | 472 |
| 10am–11am | 84.8% | 2.1% | 282 |
| 11am–12pm | 79.8% | 1.9% | 429 |
| 12pm–1pm | 82.5% | 1.2% | 330 |
| 1pm–2pm | 74.6% | 5.6% | 304 |
| 2pm–3pm | 72.9% | 3.2% | 496 |
| 3pm–4pm | 61.0% | 4.3% | 1,095 |
| 4pm–5pm | 65.2% | 4.5% | 584 |
| 5pm–6pm | 69.4% | 3.9% | 309 |
| 6pm–7pm | 51.7% | 6.7% | 255 |
| 7pm–8pm | 56.2% | 7.1% | 647 |
| 8pm–9pm | 63.0% | 5.7% | 545 |
| 9pm–10pm | 58.1% | 3.1% | 387 |
| 10pm–11pm | 65.7% | 4.8% | 104 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on EWR to BOS
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) | 77.1% | +3.6 pts | 0.0% | 144 |
| Christmas & New Year (Dec 20 - Jan 3) | 66.3% | -7.2 pts | 3.1% | 196 |
| Summer peak (Jun 15 - Aug 15) | 67.6% | -5.8 pts | 7.6% | 1,314 |
| All other days | 73.5% | — | 2.9% | 6,221 |
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).