AA 938 then UA 1840 at O'Hare
Orlando → Chicago → Hartford
Timetable, Chicago time
10:00AA 938 from Orlando at the gate
14:36UA 1840 to Hartford leaves the gate
4 h 36 apart on the timetable
The last days
AA 938 and UA 1840 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.