UA 3501 then AA 5294 at O'Hare
Detroit → Chicago → Knoxville
Timetable, Chicago time
06:57UA 3501 from Detroit at the gate
20:55AA 5294 to Knoxville leaves the gate
13 h 58 apart on the timetable
AA 5294 leaves 13 h 58 after UA 3501 arrives on the timetable: more than half a day, so not a connection we count.