AA 1963 then AC 8003 at Montréal
Dallas-Fort Worth → Montréal → Ottawa
Timetable, Montréal time
14:46AA 1963 from Dallas-Fort Worth at the gate
18:55AC 8003 to Ottawa leaves the gate
4 h 09 apart on the timetable
The last days
AA 1963 and AC 8003 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.