AA 2245 then AA 5294 at O'Hare
Sacramento → Chicago → Knoxville
Timetable, Chicago time
20:04AA 2245 from Sacramento at the gate
19:59AA 5294 to Knoxville leaves the gate
23 h 55 apart on the timetable, overnight
AA 5294 leaves 23 h 55 after AA 2245 arrives on the timetable: more than half a day, so not a connection we count.