AC 7041 then UA 3549 at Montréal
Washington → Montréal → Chicago O'Hare
Timetable, Montréal time
00:07AC 7041 from Washington at the gate
16:45UA 3549 to Chicago O'Hare leaves the gate
16 h 38 apart on the timetable
UA 3549 leaves 16 h 38 after AC 7041 arrives on the timetable: more than half a day, so not a connection we count.