AA 583 then F9 1342 at DFW
Philadelphia → Dallas-Fort Worth → Chicago O'Hare
Timetable, Dallas-Fort Worth time
09:56AA 583 from Philadelphia at the gate
06:55F9 1342 to Chicago O'Hare leaves the gate
20 h 59 apart on the timetable, overnight
F9 1342 leaves 20 h 59 after AA 583 arrives on the timetable: more than half a day, so not a connection we count.