ON TIMEBOARD
American Airlines / PHL → BOS

AA 1776 on time

American Airlines 1776: Philadelphia to Boston at 5:30 p.m.; Boston to Philadelphia at 6:54 p.m. (past 12 months). Figures below the title are for PHL → BOS, its busiest leg

On time
57%
221 flights · likely 50–63%
Cancelled
5.9%
of scheduled flights
Typical arrival
+1 min
median vs schedule
When late
+85 min
average delay
Similar flights
51%
AA, same route & hour

About 1 in 2 AA 1776 flights from Philadelphia arrived 15+ minutes late, diverted or cancelled over the past year (43%); 5.9% were cancelled. The typical flight landed 1 minutes late.

AA 1776: PHL → BOS

Scheduled to leave Philadelphia at 5:30 p.m. local time. Over the past year it arrived on time 57% of the time (221 flights), better than other AA flights on the route at that hour (51%). Last seen in the data Aug 31, 2026.

Month by month

20%60%100%Sep 2025: too few flights (2 flights)SepOct 2025: 33% on time (24 flights)33OctNov 2025: too few flights (10 flights)NovDec 2025: too few flights (3 flights)DecJan 2026: 73% on time (22 flights)73JanFeb 2026: 74% on time (27 flights)74FebMar 2026: 68% on time (31 flights)68MarApr 2026: 56% on time (27 flights)56AprMay 2026: 53% on time (17 flights)53MayJun 2026: too few flights (1 flights)JunJul 2026: 43% on time (30 flights)43JulAug 2026: 48% on time (27 flights)48Aug

By day of week

DayFlightsOn time
Monday3549%
Tuesday3566%
Wednesday3364%
Thursday3450%
Friday3465%
Saturday17—
Sunday3345%

Why it was late

Late inbound plane 52%Air traffic & airport (NAS) 28%Airline (crew, maintenance, ops) 15%Severe weather 6%

All flights PHL → BOS · Connecting off AA 1776? Check the risk

AA 1776: BOS → PHL

Scheduled to leave Boston at 6:54 p.m. local time. Over the past year it arrived on time 70% of the time (217 flights), in line with other AA flights on the route at that hour (67%). Last seen in the data Aug 29, 2026.

Month by month

40%70%100%Sep 2025: 68% on time (28 flights)68SepOct 2025: too few flights (7 flights)OctNov 2025: 80% on time (20 flights)80NovDec 2025: 75% on time (28 flights)75DecJan 2026: 70% on time (27 flights)70JanFeb 2026: 75% on time (24 flights)75FebMar 2026: 56% on time (27 flights)56MarApr 2026: too few flights (8 flights)AprMay 2026: too few flights (14 flights)MayJun 2026: 72% on time (29 flights)72JunJul 2026: too few flights (1 flights)JulAug 2026: too few flights (4 flights)Aug

By day of week

DayFlightsOn time
Monday3152%
Tuesday3080%
Wednesday3272%
Thursday3181%
Friday3184%
Saturday3070%
Sunday3250%

Why it was late

Late inbound plane 71%Air traffic & airport (NAS) 21%Airline (crew, maintenance, ops) 5%Severe weather 2%Security 1%

All flights BOS → PHL · Connecting off AA 1776? Check the risk

Questions

How often is AA 1776 from PHL to BOS late?

American Airlines 1776 from Philadelphia, PA to Boston, MA arrived 15 or more minutes late, was diverted or was cancelled on 43% of 221 scheduled flights between September 2025 and August 2026. 5.9% were cancelled.

How often is AA 1776 from BOS to PHL late?

American Airlines 1776 from Boston, MA to Philadelphia, PA arrived 15 or more minutes late, was diverted or was cancelled on 30% of 217 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 American Airlines for today's flight. Method.