AA 1916 then K4 221 at O'Hare
San Antonio → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
17:59AA 1916 from San Antonio at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
16 h 36 apart on the timetable, overnight
K4 221 leaves 16 h 36 after AA 1916 arrives on the timetable: more than half a day, so not a connection we count.