AA 3487 then SY 262 at O'Hare
Missoula → Chicago → Minneapolis
Timetable, Chicago time
18:25AA 3487 from Missoula at the gate
17:55SY 262 to Minneapolis leaves the gate
23 h 30 apart on the timetable, overnight
SY 262 leaves 23 h 30 after AA 3487 arrives on the timetable: more than half a day, so not a connection we count.