UA 4584 then AC 8906 at O'Hare
Moline → Chicago → Toronto Pearson
Timetable, Chicago time
16:00UA 4584 from Moline at the gate
16:35AC 8906 to Toronto Pearson leaves the gate
35 min apart on the timetable
The last days
UA 4584 and AC 8906 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.