UA 1970 then OZ 6401 at San Francisco
Cleveland → San Francisco → Seattle
Timetable, San Francisco time
21:45UA 1970 from Cleveland at the gatealso VA 8489, NZ 9046, OZ 9526
16:10OZ 6401 to Seattle leaves the gate
18 h 25 apart on the timetable, overnight
OZ 6401 leaves 18 h 25 after UA 1970 arrives on the timetable: more than half a day, so not a connection we count.