New York (JFK) to Boston (BOS): On-Time Performance
Data through July 2026
The biggest risk when flying JFK to BOS isn't a late arrival — it's not departing at all. 3.4% of scheduled flights on this route were cancelled, several times the typical US rate. When flights do go, 74% land on time, below the national average of 78%. Republic Airways has been the safer pick, arriving on time 79% of the time.
- On-time
- 74%
- arrived <15 min late
- Avg delay
- 21 min
- completed flights
- Cancelled
- 3.4%
- Flights/day
- 16
- last 12 months
- Duration
- 1h 23m
- scheduled
- Distance
- 187 mi
Best airline from JFK to BOS
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 79% | 17 min | 3.6% | 5,695 |
| JetBlue Airways | 70% | 24 min | 3.4% | 5,056 |
| Delta Air Lines | 67% | 34 min | 2.4% | 765 |
Monthly on-time trend
Best time to fly from JFK to BOS
Aim for departures around 7 a.m. (92% on-time); avoid 7 p.m. departures (54%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 73% | 21 min |
| Tuesdaybest | 78% | 17 min |
| Wednesday | 77% | 18 min |
| Thursday | 70% | 25 min |
| Friday | 74% | 21 min |
| Saturday | 77% | 21 min |
| Sunday | 71% | 25 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft39%
- Airline operations27%
- National airspace system33%
- Weather1%
Frequently asked questions
- How often are flights from JFK to BOS delayed?
- 26% of JFK–BOS 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 21 minutes.
- Which airline is most reliable from JFK to BOS?
- Republic Airways has the best on-time record on this route at 79%, based on 5,695 flights. 3 airlines flew JFK–BOS frequently enough to compare in this period.
- What is the best time of day to fly from JFK to BOS?
- Departures around 7 a.m. have the best record (92% on-time), while departures around 7 p.m. have the worst (54%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from JFK to BOS?
- The scheduled JFK–BOS flight time averages 1h 23m over 187 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
- How often are JFK to BOS flights cancelled?
- 3.4% 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 JFK to BOS?
- July 2026 was the roughest month in this dataset, with only 61% of arrivals on time. The best was October 2024 at 90%. If your dates are flexible, that 29-point gap is worth planning around.
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Based on 11,516 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.