3S 444 then AA 4025 at O'Hare
Frankfurt am Main → Chicago → Marquette
Timetable, Chicago time
19:243S 444 from Frankfurt am Main at the gate
19:10AA 4025 to Marquette leaves the gate
23 h 46 apart on the timetable, overnight
AA 4025 leaves 23 h 46 after 3S 444 arrives on the timetable: more than half a day, so not a connection we count.