AA 490 then F9 1342 at DFW
Tucson → Dallas-Fort Worth → Chicago O'Hare
Timetable, Dallas-Fort Worth time
08:40AA 490 from Tucson at the gate
06:55F9 1342 to Chicago O'Hare leaves the gate
22 h 15 apart on the timetable, overnight
F9 1342 leaves 22 h 15 after AA 490 arrives on the timetable: more than half a day, so not a connection we count.