AA 214 then UA 4645 at O'Hare
Dallas-Fort Worth → Chicago → Fort Wayne
Timetable, Chicago time
12:04AA 214 from Dallas-Fort Worth at the gate
11:25UA 4645 to Fort Wayne leaves the gate
23 h 21 apart on the timetable, overnight
UA 4645 leaves 23 h 21 after AA 214 arrives on the timetable: more than half a day, so not a connection we count.