3S 444 then AA 9827 at O'Hare
Frankfurt am Main → Chicago → South Bend
Timetable, Chicago time
19:243S 444 from Frankfurt am Main at the gate
19:21AA 9827 to South Bend leaves the gate
23 h 57 apart on the timetable, overnight
AA 9827 leaves 23 h 57 after 3S 444 arrives on the timetable: more than half a day, so not a connection we count.