AA 2436 then K4 221 at O'Hare
San Francisco → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
15:15AA 2436 from San Francisco at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
19 h 20 apart on the timetable, overnight
K4 221 leaves 19 h 20 after AA 2436 arrives on the timetable: more than half a day, so not a connection we count.