ON TIMEBOARD

AA 1511 on time

American Airlines 1511: Phoenix to Philadelphia at 5:05 a.m. (past 12 months)

On time
96%
181 flights · likely 92–98%
Cancelled
1.1%
of scheduled flights
Typical arrival
−19 min
median vs schedule
When late
+39 min
average delay
Similar flights
95%
AA, same route & hour

About 1 in 26 AA 1511 flights from Phoenix arrived 15+ minutes late, diverted or cancelled over the past year (4%); 1.1% were cancelled. The typical flight landed 19 minutes early.

AA 1511: PHX → PHL

Scheduled to leave Phoenix at 5:05 a.m. local time. Over the past year it arrived on time 96% of the time (181 flights), in line with other AA flights on the route at that hour (95%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Apr 2025: 90% on time (30 flights)90AprMay 2025: 97% on time (31 flights)97MayJun 2025: 100% on time (30 flights)100JunJul 2025: 94% on time (31 flights)94JulAug 2025: 94% on time (31 flights)94AugSep 2025: 100% on time (29 flights)100SepOct 2025: too few flights (5 flights)OctApr 2026: 100% on time (24 flights)100AprMay 2026: 100% on time (31 flights)100MayJun 2026: 97% on time (30 flights)97JunJul 2026: 81% on time (31 flights)81JulAug 2026: 100% on time (31 flights)100Aug

By day of week

DayFlightsOn time
Monday2688%
Tuesday2692%
Wednesday25100%
Thursday26100%
Friday2696%
Saturday2696%
Sunday26100%

Why it was late

Air traffic & airport (NAS) 57%Airline (crew, maintenance, ops) 43%

All flights PHX → PHL · Connecting off AA 1511? Check the risk

Questions

How often is AA 1511 from PHX to PHL late?

American Airlines 1511 from Phoenix, AZ to Philadelphia, PA arrived 15 or more minutes late, was diverted or was cancelled on 4% of 181 scheduled flights between September 2025 and August 2026. 1.1% 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.