Newark (EWR) to Boston (BOS): On-Time Performance
Data through May 2026
Delays are only half the story on EWR–BOS: 3.7% of its scheduled flights were outright cancelled, well above the US norm, so a backup plan matters more here than on most routes. When flights do go, 72% land on time, below the national average of 78%.
- On-time
- 72%
- arrived <15 min late
- Avg delay
- 23 min
- completed flights
- Cancelled
- 3.7%
- Flights/day
- 11
- last 12 months
- Duration
- 1h 19m
- scheduled
- Distance
- 200 mi
Best airline from EWR to BOS
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 73% | 22 min | 5.1% | 2,283 |
| Spirit Airlines | 72% | 24 min | 9.7% | 340 |
| United Airlines | 72% | 23 min | 2.8% | 5,443 |
Monthly on-time trend
Best time to fly from EWR to BOS
Aim for departures around 6 a.m. (92% on-time); avoid 6 p.m. departures (53%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 70% | 25 min |
| Tuesdaybest | 77% | 17 min |
| Wednesday | 75% | 20 min |
| Thursday | 67% | 28 min |
| Friday | 69% | 26 min |
| Saturday | 75% | 19 min |
| Sunday | 72% | 24 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft43%
- Airline operations20%
- National airspace system32%
- Weather5%
Frequently asked questions
- How often are flights from EWR to BOS delayed?
- 28% of EWR–BOS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 23 minutes.
- Which airline is most reliable from EWR to BOS?
- Republic Airways has the best on-time record on this route at 73%, based on 2,283 flights. 3 airlines flew EWR–BOS frequently enough to compare in this period.
- What is the best time of day to fly from EWR to BOS?
- Departures around 6 a.m. have the best record (92% on-time), while departures around 6 p.m. have the worst (53%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from EWR to BOS?
- The scheduled EWR–BOS flight time averages 1h 19m over 200 miles. Actual arrival times vary — flights on this route land 15+ minutes late 28% of the time.
- How often are EWR to BOS flights cancelled?
- 3.7% of scheduled flights on this route were cancelled between 2024-06 and 2026-05 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from EWR to BOS?
- October 2025 was the roughest month in this dataset, with only 50% of arrivals on time. The best was January 2025 at 86%. If your dates are flexible, that 36-point gap is worth planning around.
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Based on 8,066 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.