UA 217 then B6 316 at San Francisco
Arcata → San Francisco → New York JFK
Timetable, San Francisco time
09:13UA 217 from Arcata at the gate
08:05B6 316 to New York JFK leaves the gatealso LO 5774, EY 8328, AT 9559
22 h 52 apart on the timetable, overnight
B6 316 leaves 22 h 52 after UA 217 arrives on the timetable: more than half a day, so not a connection we count.