Historical on-time performance
Boston to New York
187 miData through May 2026Source: US DOT · BTS
Flights on BOS–JFK arrive on time 72% of the time over the last 12 months.
On-time rate72%arrived within 15 min
p90 delay60 min1 in 10 flights is worse (tail risk)
Cancelled4.4%of scheduled flights
based on 5,727 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesbestOn-time88%Medianon timep9010 minCancel2.4%Flights340
- JetBlue AirwaysOn-time71%Medianon timep9070 minCancel4.0%Flights2,472
- Republic AirwaysOn-time70%Medianon timep9060 minCancel5.0%Flights2,915
Why flights run late
Delay causes
- Airline22%
- Weather2%
- Air traffic (NAS)37%
- Late aircraft38%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline12%
- Weather36%
- Air traffic (NAS)52%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). Shares are among 253 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly BOS → JFK
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 87% on time.
- Mornings87% on time · p90 15 min · 5,348 flights
- Middays79% on time · p90 40 min · 4,744 flights
- Afternoons68% on time · p90 70 min · 1,989 flights
- Evenings60% on time · p90 100 min · 3,485 flights
- Overnights58% on time · p90 90 min · 1,349 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 69% to 78% on time.
- Wednesdays78% on time · p90 35 min · 2,402 flights
- Tuesdays78% on time · p90 45 min · 2,427 flights
- Saturdays76% on time · p90 50 min · 2,445 flights
- Fridays75% on time · p90 55 min · 2,397 flights
- Thursdays74% on time · p90 60 min · 2,427 flights
- Mondays73% on time · p90 55 min · 2,413 flights
- Sundays69% on time · p90 70 min · 2,404 flights
Keep exploring