AA 5490 then DL 5517 at Dulles
Charlotte → Washington → Detroit
Timetable, Washington time
08:44AA 5490 from Charlotte at the gate
11:37DL 5517 to Detroit leaves the gate
2 h 53 apart on the timetable
The last days
AA 5490 and DL 5517 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.