UA 3884 then AA 5294 at O'Hare
Melbourne (Florida) → Chicago → Knoxville
Timetable, Chicago time
01:06UA 3884 from Melbourne (Florida) at the gate
19:59AA 5294 to Knoxville leaves the gate
18 h 53 apart on the timetable
AA 5294 leaves 18 h 53 after UA 3884 arrives on the timetable: more than half a day, so not a connection we count.