ON TIMEBOARD

B6 1523 on time

JetBlue 1523: New York to Los Angeles at 3:15 p.m. (past 12 months)

On time
63%
134 flights · likely 54–70%
Cancelled
3.7%
of scheduled flights
Typical arrival
−1 min
median vs schedule
When late
+83 min
average delay
Similar flights
65%
B6, same route & hour

About 1 in 3 B6 1523 flights from New York arrived 15+ minutes late, diverted or cancelled over the past year (37%); 3.7% were cancelled. The typical flight landed 1 minutes early.

B6 1523: JFK → LAX

Scheduled to leave New York at 3:15 p.m. local time. Over the past year it arrived on time 63% of the time (134 flights), in line with other B6 flights on the route at that hour (65%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Jun 2025: 68% on time (19 flights)68JunJul 2025: 61% on time (31 flights)61JulAug 2025: 81% on time (31 flights)81AugSep 2025: 83% on time (30 flights)83SepOct 2025: 52% on time (25 flights)52OctMay 2026: too few flights (11 flights)MayJun 2026: 81% on time (16 flights)81JunJul 2026: 50% on time (26 flights)50JulAug 2026: 50% on time (26 flights)50Aug

By day of week

DayFlightsOn time
Monday2167%
Tuesday2075%
Wednesday19—
Thursday2250%
Friday2167%
Saturday11—
Sunday2040%

Why it was late

Late inbound plane 37%Air traffic & airport (NAS) 33%Airline (crew, maintenance, ops) 29%Severe weather 1%

All flights JFK → LAX · Connecting off B6 1523? Check the risk

Questions

How often is B6 1523 from JFK to LAX late?

JetBlue 1523 from New York, NY to Los Angeles, CA arrived 15 or more minutes late, was diverted or was cancelled on 37% of 134 scheduled flights between September 2025 and August 2026. 3.7% 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.