AA 2771 then 1I 499 at O'Hare
Denver → Chicago → Baltimore
Timetable, Chicago time
10:30AA 2771 from Denver at the gate
15:001I 499 to Baltimore leaves the gate
4 h 30 apart on the timetable
Today
From the airport’s board at 16:13 Chicago time
10:30AA 2771 is cancelled
15:251I 499 left the gate25 min late
The last days
AA 2771 and 1I 499 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.