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WanderNerd

Flight Reliability

B6 2903 · JetBlue Airways

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

57
A Little Dicey
WanderNerd Reliability Score
63%
Arrive within 15 minutes
29 min
Average arrival delay
1.2%
Cancelled
5 min
Median arrival delay

Based on 166 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

B6 2903 departing between 6–9 PM arrived on time 67% of the time, versus 56% between 3–6 PM.

Wednesdays have been rough.

B6 2903 arrived on time 73% of the time on Tuesdays and just 52% on Wednesdays. That gap is worth planning around.

Lagging the JFK–SJU route.

B6 2903 arrived on time 63% of the time, versus 72% across the JFK–SJU route.

Lagging the JetBlue Airways network.

B6 2903 arrived on time 63% of the time, versus 73% across the JetBlue Airways network.

The breakdown

On-time by weekday
  • Mon70%(23 flights)
  • Tue73%(22 flights)
  • Wed52%(25 flights)
  • Thu58%(24 flights)
  • Fri57%(23 flights)
  • Sat70%(23 flights)
  • Sun67%(24 flights)
On-time by departure window
  • 12–3 PM(6 flights)
  • 3–6 PM56%(63 flights)
  • 6–9 PM67%(95 flights)
On-time trend by month
100%
May

Jun 73% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%30
July 202559%29
August 202555%31
September 202563%30
October 202544%25
May 2026100%11
Departures on time
65%
Diverted
0%
Flights flown
164
Months covered
9

Based on 166 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.