AA 2461 then AA 5294 at O'Hare
Boston → Chicago → Knoxville
Timetable, Chicago time
20:12AA 2461 from Boston at the gate
20:00AA 5294 to Knoxville leaves the gate
23 h 48 apart on the timetable, overnight
AA 5294 leaves 23 h 48 after AA 2461 arrives on the timetable: more than half a day, so not a connection we count.