ON TIMEBOARD

AA 1451 on time

American Airlines 1451: Los Angeles to Philadelphia at 6:10 a.m. (past 12 months)

On time
86%
155 flights · likely 79–90%
Cancelled
1.3%
of scheduled flights
Typical arrival
−13 min
median vs schedule
When late
+119 min
average delay
Similar flights
87%
AA, same route & hour

About 1 in 7 AA 1451 flights from Los Angeles arrived 15+ minutes late, diverted or cancelled over the past year (14%); 1.3% were cancelled. The typical flight landed 13 minutes early.

AA 1451: LAX → PHL

Scheduled to leave Los Angeles at 6:10 a.m. local time. Over the past year it arrived on time 86% of the time (155 flights), in line with other AA flights on the route at that hour (87%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Apr 2025: 100% on time (30 flights)100AprMay 2025: 94% on time (31 flights)94MayJun 2025: 93% on time (30 flights)93JunJul 2025: 60% on time (30 flights)60JulAug 2025: 81% on time (31 flights)81AugSep 2025: 83% on time (30 flights)83SepOct 2025: 94% on time (31 flights)94OctNov 2025: too few flights (1 flights)NovMay 2026: too few flights (9 flights)MayJun 2026: 90% on time (29 flights)90JunJul 2026: 74% on time (31 flights)74JulAug 2026: 88% on time (24 flights)88Aug

By day of week

DayFlightsOn time
Monday2479%
Tuesday2080%
Wednesday17—
Thursday2483%
Friday2492%
Saturday2483%
Sunday22100%

Why it was late

Airline (crew, maintenance, ops) 58%Late inbound plane 31%Air traffic & airport (NAS) 11%

All flights LAX → PHL · Connecting off AA 1451? Check the risk

Questions

How often is AA 1451 from LAX to PHL late?

American Airlines 1451 from Los Angeles, CA to Philadelphia, PA arrived 15 or more minutes late, was diverted or was cancelled on 14% of 155 scheduled flights between September 2025 and August 2026. 1.3% 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.