DL 139 then DL 353 at JFK
Porto → New York → Los Angeles
Timetable, New York time
13:20DL 139 from Porto at the gate
18:00DL 353 to Los Angeles leaves the gate
4 h 40 apart on the timetable
Today
From the airport’s board at 16:39 New York time
13:19DL 139 reached the gate1 min early
18:00DL 353 due to leave, no estimate yet
4 h 41 between the gates, on these times
The last days
DL 139 and DL 353 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.