DL 3990 then DL 2076 at Detroit
Louisville → Detroit → Phoenix
Timetable, Detroit time
12:04DL 3990 from Louisville at the gate
20:55DL 2076 to Phoenix leaves the gate
8 h 51 apart on the timetable
The last days
DL 3990 and DL 2076 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 Phoenix
No later flight to Phoenix on the timetable.