DL 690 then DL 1889 at Atlanta
San Francisco → Atlanta → Boston
Timetable, Atlanta time
07:31DL 690 from San Francisco at the gate
19:20DL 1889 to Boston leaves the gate
11 h 49 apart on the timetable
The last days
DL 690 and DL 1889 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.
Later flights to Boston
DL 298720:5013 h 19 after DL 690 on the timetable
DL 86522:4015 h 09 after DL 690 on the timetable