AA 948 then K4 221 at O'Hare
San Francisco → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
20:17AA 948 from San Francisco at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
14 h 18 apart on the timetable, overnight
K4 221 leaves 14 h 18 after AA 948 arrives on the timetable: more than half a day, so not a connection we count.