AA 1509 then DL 493 at Atlanta
Cleveland → Atlanta → Denver
Timetable, Atlanta time
09:08AA 1509 from Cleveland at the gate
20:45DL 493 to Denver leaves the gate
11 h 37 apart on the timetable
The last days
AA 1509 and DL 493 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.
Later flights to Denver
DL 95621:5212 h 44 after AA 1509 on the timetable