JL 7545 then VS 1792 at San Francisco
New York JFK → San Francisco → Detroit
Timetable, San Francisco time
00:43JL 7545 from New York JFK at the gate
11:45VS 1792 to Detroit leaves the gate
11 h 02 apart on the timetable
The last days
JL 7545 and VS 1792 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.