DE 1669 then UA 927 at Frankfurt
Heraklion → Frankfurt am Main → San Francisco
Timetable, Frankfurt am Main time
17:50DE 1669 from Heraklion at the gate
17:25UA 927 to San Francisco leaves the gate
23 h 35 apart on the timetable, overnight
UA 927 leaves 23 h 35 after DE 1669 arrives on the timetable: more than half a day, so not a connection we count.