DL 667 then AA 939 at San Francisco
New York JFK → San Francisco → Dallas-Fort Worth
Timetable, San Francisco time
23:26DL 667 from New York JFK at the gatealso AF 2818, UX 3319, SK 3622, AM 3789, SV 4335, VS 4801, KL 5181, KL 7625
23:23AA 939 to Dallas-Fort Worth leaves the gatealso CZ 1632
23 h 57 apart on the timetable, overnight
AA 939 leaves 23 h 57 after DL 667 arrives on the timetable: more than half a day, so not a connection we count.