F9 2387 then AA 6127 at Charlotte
Philadelphia → Charlotte → Chattanooga
Timetable, Charlotte time
10:40F9 2387 from Philadelphia at the gate
09:05AA 6127 to Chattanooga leaves the gate
22 h 25 apart on the timetable, overnight
AA 6127 leaves 22 h 25 after F9 2387 arrives on the timetable: more than half a day, so not a connection we count.