UA 1970 then AA 1401 at San Francisco
Cleveland → San Francisco → Dallas-Fort Worth
Timetable, San Francisco time
21:45UA 1970 from Cleveland at the gatealso VA 8489, NZ 9046, OZ 9526
15:45AA 1401 to Dallas-Fort Worth leaves the gatealso QF 4572
18 h apart on the timetable, overnight
AA 1401 leaves 18 h after UA 1970 arrives on the timetable: more than half a day, so not a connection we count.