ON TIMEBOARD

AA 1874 on time

American Airlines 1874: Philadelphia to Boston at 10:20 p.m. (past 12 months)

On time
68%
278 flights · likely 63–74%
Cancelled
5.0%
of scheduled flights
Typical arrival
−5 min
median vs schedule
When late
+69 min
average delay
Similar flights
72%
AA, same route & hour

About 1 in 3 AA 1874 flights from Philadelphia arrived 15+ minutes late, diverted or cancelled over the past year (32%); 5.0% were cancelled. The typical flight landed 5 minutes early.

AA 1874: PHL → BOS

Scheduled to leave Philadelphia at 10:20 p.m. local time. Over the past year it arrived on time 68% of the time (278 flights), worse than other AA flights on the route at that hour (72%). Last seen in the data Aug 4, 2026.

Usually American Airlines's last flight of the day from Philadelphia to Boston (99% of days). American Airlines's last PHL–BOS flight was cancelled 4.4% of the time, against 2.8% for its earlier ones. If it's cancelled, the next American Airlines flight is usually around 7:20 a.m. the next morning.

Month by month

40%70%100%Sep 2025: 67% on time (15 flights)67SepOct 2025: 76% on time (25 flights)76OctNov 2025: 75% on time (28 flights)75NovDec 2025: 67% on time (27 flights)67DecJan 2026: 68% on time (31 flights)68JanFeb 2026: 72% on time (25 flights)72FebMar 2026: 70% on time (27 flights)70MarApr 2026: 72% on time (29 flights)72AprMay 2026: 83% on time (24 flights)83MayJun 2026: too few flights (14 flights)JunJul 2026: 52% on time (29 flights)52JulAug 2026: too few flights (4 flights)Aug

By day of week

DayFlightsOn time
Monday4551%
Tuesday3972%
Wednesday3776%
Thursday4274%
Friday4674%
Saturday2483%
Sunday4558%

Why it was late

Late inbound plane 45%Airline (crew, maintenance, ops) 35%Air traffic & airport (NAS) 12%Severe weather 8%

All flights PHL → BOS · Connecting off AA 1874? Check the risk

Questions

How often is AA 1874 from PHL to BOS late?

American Airlines 1874 from Philadelphia, PA to Boston, MA arrived 15 or more minutes late, was diverted or was cancelled on 32% of 278 scheduled flights between September 2025 and August 2026. 5.0% 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.