AA 3211 then DL 735 at DFW
Philadelphia → Dallas-Fort Worth → Detroit
Timetable, Dallas-Fort Worth time
13:45AA 3211 from Philadelphia at the gate
13:36DL 735 to Detroit leaves the gate
23 h 51 apart on the timetable, overnight
DL 735 leaves 23 h 51 after AA 3211 arrives on the timetable: more than half a day, so not a connection we count.