KD 216 then UA 4559 at O'Hare
Anchorage → Chicago → Knoxville
Timetable, Chicago time
10:55KD 216 from Anchorage at the gate
10:25UA 4559 to Knoxville leaves the gate
23 h 30 apart on the timetable, overnight
UA 4559 leaves 23 h 30 after KD 216 arrives on the timetable: more than half a day, so not a connection we count.