UA 3532 then AA 1936 at O'Hare
Knoxville → Chicago → Newark
Timetable, Chicago time
18:43UA 3532 from Knoxville at the gate
13:14AA 1936 to Newark leaves the gate
18 h 31 apart on the timetable, overnight
AA 1936 leaves 18 h 31 after UA 3532 arrives on the timetable: more than half a day, so not a connection we count.