AV 6985 then AA 1401 at San Francisco
Vancouver → San Francisco → Dallas-Fort Worth
Timetable, San Francisco time
16:06AV 6985 from Vancouver at the gate
15:45AA 1401 to Dallas-Fort Worth leaves the gatealso QF 4572
23 h 39 apart on the timetable, overnight
AA 1401 leaves 23 h 39 after AV 6985 arrives on the timetable: more than half a day, so not a connection we count.