ON TIMEBOARD

B6 1677 on time

JetBlue 1677: New York to Jacksonville at 9:30 p.m. (past 12 months)

On time
57%
231 flights · likely 51–63%
Cancelled
5.6%
of scheduled flights
Typical arrival
+6 min
median vs schedule
When late
+68 min
average delay
Similar flights
54%
B6, same route & hour

About 1 in 2 B6 1677 flights from New York arrived 15+ minutes late, diverted or cancelled over the past year (43%); 5.6% were cancelled. The typical flight landed 6 minutes late.

B6 1677: JFK → JAX

Scheduled to leave New York at 9:30 p.m. local time. Over the past year it arrived on time 57% of the time (231 flights), better than other B6 flights on the route at that hour (54%). Last seen in the data Aug 31, 2026.

Usually JetBlue's last flight of the day from New York to Jacksonville (100% of days). JetBlue's last JFK–JAX flight was cancelled 4.9% of the time, against 4.9% for its earlier ones. If it's cancelled, the next JetBlue flight is usually around 1:59 p.m. the next morning.

Month by month

20%60%100%Jul 2025: 35% on time (31 flights)35JulAug 2025: 58% on time (31 flights)58AugSep 2025: 74% on time (23 flights)74SepOct 2025: 63% on time (24 flights)63OctNov 2025: 64% on time (28 flights)64NovDec 2025: 55% on time (29 flights)55DecJan 2026: too few flights (5 flights)JanMar 2026: 74% on time (19 flights)74MarMay 2026: too few flights (11 flights)MayJun 2026: 67% on time (30 flights)67JunJul 2026: 32% on time (31 flights)32JulAug 2026: 35% on time (31 flights)35Aug

By day of week

DayFlightsOn time
Monday3757%
Tuesday2770%
Wednesday2665%
Thursday3459%
Friday3554%
Saturday3658%
Sunday3642%

Why it was late

Late inbound plane 55%Airline (crew, maintenance, ops) 26%Air traffic & airport (NAS) 16%Severe weather 3%

All flights JFK → JAX · Connecting off B6 1677? Check the risk

Questions

How often is B6 1677 from JFK to JAX late?

JetBlue 1677 from New York, NY to Jacksonville, FL arrived 15 or more minutes late, was diverted or was cancelled on 43% of 231 scheduled flights between September 2025 and August 2026. 5.6% 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.