B6 316 then AA 606 at JFK
San Francisco → New York → Dallas-Fort Worth
Timetable, New York time
21:06B6 316 from San Francisco at the gate
18:30AA 606 to Dallas-Fort Worth leaves the gate
21 h 24 apart on the timetable, overnight
AA 606 leaves 21 h 24 after B6 316 arrives on the timetable: more than half a day, so not a connection we count.