ON TIMEBOARD

B6 276 on time

JetBlue 276: San Juan to Hartford at 6:33 p.m. (past 12 months)

On time
60%
214 flights · likely 54–67%
Cancelled
2.8%
of scheduled flights
Typical arrival
+5 min
median vs schedule
When late
+88 min
average delay
Similar flights
69%
B6, same route & hour

About 1 in 3 B6 276 flights from San Juan arrived 15+ minutes late, diverted or cancelled over the past year (40%); 2.8% were cancelled. The typical flight landed 5 minutes late.

B6 276: SJU → BDL

Scheduled to leave San Juan at 6:33 p.m. local time. Over the past year it arrived on time 60% of the time (214 flights), worse than other B6 flights on the route at that hour (69%). Last seen in the data Aug 31, 2026.

Usually JetBlue's last flight of the day from San Juan to Hartford (91% of days). JetBlue's last SJU–BDL flight was cancelled 2.6% of the time, against 2.8% for its earlier ones. If it's cancelled, the next JetBlue flight is usually around 7:00 a.m. the next morning.

Month by month

30%65%100%Jun 2025: 93% on time (30 flights)93JunJul 2025: 61% on time (31 flights)61JulAug 2025: 48% on time (31 flights)48AugSep 2025: 60% on time (30 flights)60SepOct 2025: 44% on time (25 flights)44OctDec 2025: too few flights (14 flights)DecJan 2026: 74% on time (31 flights)74JanFeb 2026: too few flights (11 flights)FebMay 2026: too few flights (11 flights)MayJun 2026: 80% on time (30 flights)80JunJul 2026: 39% on time (31 flights)39JulAug 2026: 48% on time (31 flights)48Aug

By day of week

DayFlightsOn time
Monday3155%
Tuesday3060%
Wednesday3073%
Thursday3161%
Friday3155%
Saturday3161%
Sunday3057%

Why it was late

Late inbound plane 50%Airline (crew, maintenance, ops) 37%Air traffic & airport (NAS) 12%

All flights SJU → BDL · Connecting off B6 276? Check the risk

Questions

How often is B6 276 from SJU to BDL late?

JetBlue 276 from San Juan, PR to Hartford, CT arrived 15 or more minutes late, was diverted or was cancelled on 40% of 214 scheduled flights between September 2025 and August 2026. 2.8% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check JetBlue for today's flight. Method.