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Flight Reliability

B6 553 · JetBlue Airways

Fort Lauderdale → San Juan (FLL–SJU)

90
Nerd Approved
WanderNerd Reliability Score
87%
Arrive within 15 minutes
0 min
Average arrival delay
1.3%
Cancelled
7 min early
Median arrival delay

Based on 304 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

B6 553 departing between 6–9 AM arrived on time 93% of the time, versus 36% between 9 PM–12 AM.

Sunday scaries are real for this one.

B6 553 arrived on time 93% of the time on Saturdays and just 76% on Sundays. That gap is worth planning around.

Well ahead of the FLL–SJU route.

B6 553 arrived on time 87% of the time, versus 69% across the FLL–SJU route.

Better than the JetBlue Airways network average.

B6 553 arrived on time 87% of the time, versus 73% across the JetBlue Airways network.

The breakdown

On-time by weekday
  • Mon82%(45 flights)
  • Tue90%(40 flights)
  • Wed93%(41 flights)
  • Thu91%(44 flights)
  • Fri88%(43 flights)
  • Sat93%(42 flights)
  • Sun76%(45 flights)
On-time by departure window
  • 6–9 AM93%(199 flights)
  • 12–3 PM81%(90 flights)
  • 9 PM–12 AM36%(11 flights)
On-time trend by month
74%
May

Jun 73% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%26
July 202581%31
August 202587%31
November 202597%29
December 202593%29
January 202690%30
February 202696%26
March 202683%30
April 202697%29
May 202674%31
Departures on time
85%
Diverted
0%
Flights flown
300
Months covered
12

Same route, other flights

Keep nerding

Based on 304 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.