BR 608 then AC 524 at O'Hare
Anchorage → Chicago → Montréal
Timetable, Chicago time
20:03BR 608 from Anchorage at the gate
15:50AC 524 to Montréal leaves the gate
19 h 47 apart on the timetable, overnight
AC 524 leaves 19 h 47 after BR 608 arrives on the timetable: more than half a day, so not a connection we count.