UA 1684 then AA 5294 at O'Hare
New Orleans → Chicago → Knoxville
Timetable, Chicago time
20:23UA 1684 from New Orleans at the gate
19:59AA 5294 to Knoxville leaves the gate
23 h 36 apart on the timetable, overnight
AA 5294 leaves 23 h 36 after UA 1684 arrives on the timetable: more than half a day, so not a connection we count.