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WanderNerd

Flight Reliability

B6 704 · JetBlue Airways

San Juan → New York (SJUJFK)99% of its flights flew this route. The rest (LAX–FLL) are included in these numbers.

49
Bring Snacks
WanderNerd Reliability Score
59%
Arrive within 15 minutes
27 min
Average arrival delay
2.2%
Cancelled
6 min
Median arrival delay

Based on 92 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

B6 704 departing between 6–9 PM arrived on time 87% of the time, versus 53% between 9 PM–12 AM.

Sunday scaries are real for this one.

B6 704 arrived on time 82% of the time on Tuesdays and just 46% on Sundays. That gap is worth planning around.

Well behind the SJU–JFK route.

B6 704 arrived on time 59% of the time, versus 80% across the SJU–JFK route.

Lagging the JetBlue Airways network.

B6 704 arrived on time 59% of the time, versus 73% across the JetBlue Airways network.

The breakdown

On-time by weekday
  • Mon57%(14 flights)
  • Tue82%(11 flights)
  • Wed55%(11 flights)
  • Thu57%(14 flights)
  • Fri50%(14 flights)
  • Sat69%(13 flights)
  • Sun46%(13 flights)
On-time by departure window
  • 6–9 PM87%(15 flights)
  • 9 PM–12 AM53%(75 flights)
On-time trend by month
58%
Aug

Jun 68% → Aug 58% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%19
July 202545%29
August 202558%31
Departures on time
50%
Diverted
0%
Flights flown
90
Months covered
6

Based on 92 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.