WN 544 then AA 276 at San Francisco
Burbank → San Francisco → New York JFK
Timetable, San Francisco time
10:30WN 544 from Burbank at the gate
21:44AA 276 to New York JFK leaves the gatealso QF 3177, BA 5606, QR 9494
11 h 14 apart on the timetable
The last days
WN 544 and AA 276 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.