DL 977 then DL 8937 at San Francisco
Boston → San Francisco → Sacramento
Timetable, San Francisco time
11:41DL 977 from Boston at the gate
15:00DL 8937 to Sacramento leaves the gate
3 h 19 apart on the timetable
Today
From the airport’s board at 14:59 San Francisco time
11:40DL 977 reached the gate1 min early
15:00DL 8937 due to leave, no estimate yet
3 h 20 between the gates, on these times
The last days
DL 977 and DL 8937 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.