ON TIMEBOARD

AA 4470 on time

American Airlines 4470: Boston to New York at 1:35 p.m. (past 12 months)

On time
76%
175 flights · likely 69–82%
Cancelled
2.3%
of scheduled flights
Typical arrival
−12 min
median vs schedule
When late
+101 min
average delay
Similar flights
70%
AA, same route & hour

About 1 in 4 AA 4470 flights from Boston arrived 15+ minutes late, diverted or cancelled over the past year (24%); 2.3% were cancelled. The typical flight landed 12 minutes early.

AA 4470: BOS → LGA

Scheduled to leave Boston at 1:35 p.m. local time, operated by Republic Airways as YX 4470. Over the past year it arrived on time 76% of the time (175 flights), better than other AA flights on the route at that hour (70%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Nov 2024: too few flights (4 flights)NovJun 2025: too few flights (8 flights)JunJul 2025: too few flights (8 flights)JulAug 2025: 92% on time (24 flights)92AugSep 2025: too few flights (2 flights)SepOct 2025: 70% on time (23 flights)70OctNov 2025: 66% on time (29 flights)66NovDec 2025: 79% on time (29 flights)79DecJan 2026: 77% on time (31 flights)77JanFeb 2026: 75% on time (28 flights)75FebMar 2026: too few flights (7 flights)MarAug 2026: 88% on time (26 flights)88Aug

By day of week

DayFlightsOn time
Monday2778%
Tuesday2673%
Wednesday2592%
Thursday2564%
Friday2685%
Saturday2471%
Sunday2268%

Why it was late

Air traffic & airport (NAS) 38%Late inbound plane 35%Severe weather 14%Airline (crew, maintenance, ops) 13%

All flights BOS → LGA · Connecting off AA 4470? Check the risk

Questions

How often is AA 4470 from BOS to LGA late?

American Airlines 4470 from Boston, MA to New York, NY arrived 15 or more minutes late, was diverted or was cancelled on 24% of 175 scheduled flights between September 2025 and August 2026. 2.3% 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.