SY 8703 then AA 3815 at O'Hare
Denver → Chicago → Hartford
Timetable, Chicago time
02:41SY 8703 from Denver at the gate
14:22AA 3815 to Hartford leaves the gate
11 h 41 apart on the timetable
The last days
SY 8703 and AA 3815 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.