DL 454 then DL 353 at JFK
Dallas-Fort Worth → New York → Los Angeles
Timetable, New York time
12:04DL 454 from Dallas-Fort Worth at the gate
18:00DL 353 to Los Angeles leaves the gate
5 h 56 apart on the timetable
Today
From the airport’s board at 21:11 New York time
12:04DL 454 is cancelled
18:30DL 353 left the gate30 min late
The last days
DL 454 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.