Boston (BOS) to Newark (EWR): On-Time Performance
Data through July 2026
The biggest risk when flying BOS to EWR isn't a late arrival — it's not departing at all. 4% of scheduled flights on this route were cancelled, several times the typical US rate. When flights do go, 75% land on time, below the national average of 78%. Spirit Airlines has been the safer pick, arriving on time 85% of the time.
- On-time
- 75%
- arrived <15 min late
- Avg delay
- 22 min
- completed flights
- Cancelled
- 4.0%
- Flights/day
- 11
- last 12 months
- Duration
- 1h 29m
- scheduled
- Distance
- 200 mi
Best airline from BOS to EWR
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Spirit Airlinesmost reliable | 85% | 16 min | 7.5% | 279 |
| United Airlines | 76% | 22 min | 3.1% | 5,625 |
| Republic Airways | 71% | 21 min | 5.6% | 2,373 |
Monthly on-time trend
Best time to fly from BOS to EWR
Aim for departures around 6 a.m. (92% on-time); avoid 7 p.m. departures (58%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 74% | 22 min |
| Tuesdaybest | 80% | 14 min |
| Wednesday | 76% | 19 min |
| Thursday | 70% | 28 min |
| Friday | 73% | 22 min |
| Saturday | 76% | 21 min |
| Sunday | 73% | 26 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft30%
- Airline operations17%
- National airspace system51%
- Weather3%
Frequently asked questions
- How often are flights from BOS to EWR delayed?
- 25% of BOS–EWR flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 22 minutes.
- Which airline is most reliable from BOS to EWR?
- Spirit Airlines has the best on-time record on this route at 85%, based on 279 flights. 3 airlines flew BOS–EWR frequently enough to compare in this period.
- What is the best time of day to fly from BOS to EWR?
- Departures around 6 a.m. have the best record (92% on-time), while departures around 7 p.m. have the worst (58%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BOS to EWR?
- The scheduled BOS–EWR flight time averages 1h 29m over 200 miles. Actual arrival times vary — flights on this route land 15+ minutes late 25% of the time.
- How often are BOS to EWR flights cancelled?
- 4% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from BOS to EWR?
- May 2025 was the roughest month in this dataset, with only 49% of arrivals on time. The best was January 2025 at 88%. If your dates are flexible, that 40-point gap is worth planning around.
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Based on 8,277 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.