F9 1342 then AA 3739 at O'Hare
Dallas-Fort Worth → Chicago → Omaha
Timetable, Chicago time
15:31F9 1342 from Dallas-Fort Worth at the gate
10:05AA 3739 to Omaha leaves the gate
18 h 34 apart on the timetable, overnight
AA 3739 leaves 18 h 34 after F9 1342 arrives on the timetable: more than half a day, so not a connection we count.