DL 977 then AV 2024 at San Francisco
Boston → San Francisco → Reno
Timetable, San Francisco time
11:41DL 977 from Boston at the gate
08:10AV 2024 to Reno leaves the gate
20 h 29 apart on the timetable, overnight
AV 2024 leaves 20 h 29 after DL 977 arrives on the timetable: more than half a day, so not a connection we count.