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Flight Reliability

B6 936 · JetBlue Airways

San Juan → Charlotte Amalie (SJU–STT)

82
Pretty Reliable
WanderNerd Reliability Score
76%
Arrive within 15 minutes
9 min
Average arrival delay
0.6%
Cancelled
5 min early
Median arrival delay

Based on 165 historical flights. Data through May 2026.

What the data says

The 3–6 PM departure wins.

B6 936 departing between 3–6 PM arrived on time 91% of the time, versus 73% between 12–3 PM.

Mondays have been rough.

B6 936 arrived on time 94% of the time on Wednesdays and just 68% on Mondays. That gap is worth planning around.

A bit ahead of the SJU–STT route.

B6 936 arrived on time 76% of the time, versus 72% across the SJU–STT route.

A bit ahead of the JetBlue Airways network.

B6 936 arrived on time 76% of the time, versus 73% across the JetBlue Airways network.

The breakdown

On-time by weekday
  • Mon68%(25 flights)
  • Tue83%(18 flights)
  • Wed94%(18 flights)
  • Thu69%(26 flights)
  • Fri85%(26 flights)
  • Sat72%(25 flights)
  • Sun69%(26 flights)
On-time by departure window
  • 9 AM–12 PM88%(25 flights)
  • 12–3 PM73%(128 flights)
  • 3–6 PM91%(11 flights)
On-time trend by month
94%
May

Jun 77% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%30
July 202577%31
August 202567%30
September 202555%22
October 202583%18
May 202694%31
Departures on time
74%
Diverted
0%
Flights flown
164
Months covered
7

Same route, other flights

Keep nerding

Based on 165 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.