AA 5320 then WN 1572 at Atlanta
Washington National → Atlanta → Denver
Timetable, Atlanta time
08:30AA 5320 from Washington National at the gate
18:40WN 1572 to Denver leaves the gate
10 h 10 apart on the timetable
The last days
AA 5320 and WN 1572 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.