F9 1342 then AA 830 at O'Hare
Dallas-Fort Worth → Chicago → Philadelphia
Timetable, Chicago time
15:31F9 1342 from Dallas-Fort Worth at the gate
13:22AA 830 to Philadelphia leaves the gate
21 h 51 apart on the timetable, overnight
AA 830 leaves 21 h 51 after F9 1342 arrives on the timetable: more than half a day, so not a connection we count.