DL 3990 then AS 18 at Detroit
Louisville → Detroit → New York JFK
Timetable, Detroit time
12:04DL 3990 from Louisville at the gate
20:08AS 18 to New York JFK leaves the gate
8 h 04 apart on the timetable
The last days
DL 3990 and AS 18 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 New York JFK
DL 131620:358 h 31 after DL 3990 on the timetablenot a partner airline