FJ 5817 then UA 581 at San Francisco
Portland (Oregon) → San Francisco → Cleveland
Timetable, San Francisco time
16:44FJ 5817 from Portland (Oregon) at the gate
12:45UA 581 to Cleveland leaves the gate
20 h 01 apart on the timetable, overnight
UA 581 leaves 20 h 01 after FJ 5817 arrives on the timetable: more than half a day, so not a connection we count.