UA 335 then AA 3236 at San Francisco
Eugene → San Francisco → Miami
Timetable, San Francisco time
08:40UA 335 from Eugene at the gatealso NZ 9173
08:35AA 3236 to Miami leaves the gatealso QF 3261, IB 4150, G3 6303
23 h 55 apart on the timetable, overnight
AA 3236 leaves 23 h 55 after UA 335 arrives on the timetable: more than half a day, so not a connection we count.