AC 2 then UA 5704 at Toronto Pearson
Tokyo Haneda → Toronto → Chicago O'Hare
Timetable, Toronto time
22:41AC 2 from Tokyo Haneda at the gate
19:26UA 5704 to Chicago O'Hare leaves the gate
20 h 45 apart on the timetable, overnight
UA 5704 leaves 20 h 45 after AC 2 arrives on the timetable: more than half a day, so not a connection we count.