AA 3487 then CI 5225 at O'Hare
Missoula → Chicago → Anchorage
Timetable, Chicago time
18:25AA 3487 from Missoula at the gate
14:25CI 5225 to Anchorage leaves the gate
20 h apart on the timetable, overnight
CI 5225 leaves 20 h after AA 3487 arrives on the timetable: more than half a day, so not a connection we count.