UA 1665 then DL 652 at Boston
San Francisco → Boston → Tampa
Timetable, Boston time
07:56UA 1665 from San Francisco at the gate
11:23DL 652 to Tampa leaves the gate
3 h 27 apart on the timetable
Today
From the airport’s board at 02:27 Boston time
07:44UA 1665 expected at the gate12 min early
11:23DL 652 due to leave, no estimate yet
3 h 39 between the gates, on these times
The last days
UA 1665 and DL 652 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.