Boston (BOS) to New York (JFK): On-Time Performance
Data through July 2026
Boston (BOS) to New York (JFK) has an unusually high scrub rate — 3.7% of scheduled departures never left the gate, a cancellation rate several times the national figure. When flights do go, 76% land on time, below the national average of 78%. Delta Air Lines has been the safer pick, arriving on time 90% of the time.
- On-time
- 76%
- arrived <15 min late
- Avg delay
- 18 min
- completed flights
- Cancelled
- 3.7%
- Flights/day
- 16
- last 12 months
- Duration
- 1h 26m
- scheduled
- Distance
- 187 mi
Best airline from BOS to JFK
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Linesmost reliable | 90% | 9 min | 2.2% | 765 |
| Republic Airways | 76% | 16 min | 4.2% | 5,690 |
| JetBlue Airways | 74% | 21 min | 3.4% | 5,039 |
Monthly on-time trend
Best time to fly from BOS to JFK
Aim for departures around 5 a.m. (92% on-time); avoid 5 p.m. departures (56%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 75% | 19 min |
| Tuesdaybest | 80% | 15 min |
| Wednesday | 80% | 15 min |
| Thursday | 72% | 20 min |
| Friday | 77% | 17 min |
| Saturday | 78% | 16 min |
| Sunday | 72% | 23 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft35%
- Airline operations25%
- National airspace system37%
- Weather2%
Frequently asked questions
- How often are flights from BOS to JFK delayed?
- 24% of BOS–JFK 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 18 minutes.
- Which airline is most reliable from BOS to JFK?
- Delta Air Lines has the best on-time record on this route at 90%, based on 765 flights. 3 airlines flew BOS–JFK frequently enough to compare in this period.
- What is the best time of day to fly from BOS to JFK?
- Departures around 5 a.m. have the best record (92% on-time), while departures around 5 p.m. have the worst (56%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BOS to JFK?
- The scheduled BOS–JFK flight time averages 1h 26m over 187 miles. Actual arrival times vary — flights on this route land 15+ minutes late 24% of the time.
- How often are BOS to JFK flights cancelled?
- 3.7% 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 JFK?
- July 2026 was the roughest month in this dataset, with only 64% of arrivals on time. The best was November 2024 at 90%. If your dates are flexible, that 27-point gap is worth planning around.
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Based on 11,499 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.