ON TIMEBOARD

AA 4687 on time

American Airlines 4687: Boston to New York at 3:35 p.m. (past 12 months)

On time
62%
177 flights · likely 55–69%
Cancelled
5.1%
of scheduled flights
Typical arrival
−5 min
median vs schedule
When late
+71 min
average delay
Similar flights
63%
AA, same route & hour

About 1 in 3 AA 4687 flights from Boston arrived 15+ minutes late, diverted or cancelled over the past year (38%); 5.1% were cancelled. The typical flight landed 5 minutes early.

AA 4687: BOS → JFK

Scheduled to leave Boston at 3:35 p.m. local time, operated by Republic Airways as YX 4687. Over the past year it arrived on time 62% of the time (177 flights), in line with other AA flights on the route at that hour (63%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%May 2024: 73% on time (26 flights)73MayJun 2024: too few flights (4 flights)JunAug 2025: 81% on time (26 flights)81AugSep 2025: too few flights (2 flights)SepOct 2025: 57% on time (23 flights)57OctNov 2025: 61% on time (28 flights)61NovDec 2025: 48% on time (31 flights)48DecJan 2026: 61% on time (31 flights)61JanFeb 2026: 61% on time (28 flights)61FebMar 2026: too few flights (7 flights)MarAug 2026: 85% on time (27 flights)85Aug

By day of week

DayFlightsOn time
Monday2756%
Tuesday2650%
Wednesday2677%
Thursday2576%
Friday2654%
Saturday2268%
Sunday2556%

Why it was late

Air traffic & airport (NAS) 37%Late inbound plane 36%Airline (crew, maintenance, ops) 21%Severe weather 6%

All flights BOS → JFK · Connecting off AA 4687? Check the risk

Questions

How often is AA 4687 from BOS to JFK late?

American Airlines 4687 from Boston, MA to New York, NY arrived 15 or more minutes late, was diverted or was cancelled on 38% of 177 scheduled flights between September 2025 and August 2026. 5.1% 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 American Airlines for today's flight. Method.