AA 426 then F9 1342 at DFW
Chattanooga → Dallas-Fort Worth → Chicago O'Hare
Timetable, Dallas-Fort Worth time
09:02AA 426 from Chattanooga at the gate
06:50F9 1342 to Chicago O'Hare leaves the gate
21 h 48 apart on the timetable, overnight
F9 1342 leaves 21 h 48 after AA 426 arrives on the timetable: more than half a day, so not a connection we count.