NZ 9426 then BA 286 at San Francisco
Seattle → San Francisco → London
Timetable, San Francisco time
21:50NZ 9426 from Seattle at the gate
20:35BA 286 to London leaves the gatealso IB 3627, AS 5280, AY 5526, AA 6997, EI 8986
22 h 45 apart on the timetable, overnight
BA 286 leaves 22 h 45 after NZ 9426 arrives on the timetable: more than half a day, so not a connection we count.