AA 9913 then AA 2353 at LAX
Tucson → Los Angeles → Philadelphia
Timetable, Los Angeles time
17:40AA 9913 from Tucson at the gate
22:59AA 2353 to Philadelphia leaves the gate
5 h 19 apart on the timetable
The last days
AA 9913 and AA 2353 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.