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Flight Reliability

B6 1135 · JetBlue Airways

Charlotte Amalie → San Juan (STT–SJU)

68
Usually Fine
WanderNerd Reliability Score
70%
Arrive within 15 minutes
17 min
Average arrival delay
1.6%
Cancelled
3 min early
Median arrival delay

Based on 185 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

B6 1135 departing between 12–3 PM arrived on time 75% of the time, versus 67% between 3–6 PM.

Saturdays have been rough.

B6 1135 arrived on time 85% of the time on Fridays and just 56% on Saturdays. That gap is worth planning around.

A bit behind the STT–SJU route.

B6 1135 arrived on time 70% of the time, versus 73% across the STT–SJU route.

A bit behind the JetBlue Airways network.

B6 1135 arrived on time 70% of the time, versus 73% across the JetBlue Airways network.

The breakdown

On-time by weekday
  • Mon58%(26 flights)
  • Tue78%(27 flights)
  • Wed73%(26 flights)
  • Thu62%(26 flights)
  • Fri85%(26 flights)
  • Sat56%(25 flights)
  • Sun77%(26 flights)
On-time by departure window
  • 12–3 PM75%(68 flights)
  • 3–6 PM67%(114 flights)
On-time trend by month
86%
Apr

Nov 67% → Apr 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
November 202567%30
December 202568%31
January 202663%30
February 202662%26
March 202671%31
April 202686%28
Departures on time
71%
Diverted
0%
Flights flown
182
Months covered
7

Same route, other flights

Keep nerding

Based on 185 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.