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Flight Reliability

B6 517 · JetBlue Airways

Boston → New York (BOS–JFK)

53
A Little Dicey
WanderNerd Reliability Score
67%
Arrive within 15 minutes
19 min
Average arrival delay
4.4%
Cancelled
1 min early
Median arrival delay

Based on 270 historical flights. Data through May 2026.

What the data says

Mondays have been rough.

B6 517 arrived on time 80% of the time on Wednesdays and just 50% on Mondays. That gap is worth planning around.

Lagging the BOS–JFK route.

B6 517 arrived on time 67% of the time, versus 76% across the BOS–JFK route.

A bit behind the JetBlue Airways network.

B6 517 arrived on time 67% of the time, versus 73% across the JetBlue Airways network.

Keep a backup plan handy.

B6 517 was cancelled 4.4% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon50%(36 flights)
  • Tue78%(37 flights)
  • Wed80%(39 flights)
  • Thu54%(37 flights)
  • Fri76%(37 flights)
  • Sat70%(37 flights)
  • Sun57%(35 flights)
On-time by departure window
  • 12–3 PM66%(160 flights)
  • 3–6 PM68%(97 flights)
  • 6–9 PM—(1 flights)
On-time trend by month
90%
May

Jun 64% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202564%11
September 202574%27
October 202558%31
November 202564%25
December 202557%30
January 202669%29
February 202660%25
March 202660%30
April 202677%30
May 202690%20
Departures on time
65%
Diverted
0%
Flights flown
258
Months covered
10

Same route, other flights

Keep nerding

Based on 270 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.