AA 3139 then AA 3134 at Charlotte
Philadelphia → Charlotte → Las Vegas
Timetable, Charlotte time
07:52AA 3139 from Philadelphia at the gate
11:20AA 3134 to Las Vegas leaves the gate
3 h 28 apart on the timetable
The last days
AA 3139 and AA 3134 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.