AA 2298 then QF 3271 at O'Hare
Nashville → Chicago → Toronto Pearson
Timetable, Chicago time
08:35AA 2298 from Nashville at the gate
14:50QF 3271 to Toronto Pearson leaves the gate
6 h 15 apart on the timetable
The last days
AA 2298 and QF 3271 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.