CI 5346 then DL 726 at Atlanta
San Francisco → Atlanta → Boston
Timetable, Atlanta time
21:48CI 5346 from San Francisco at the gate
14:30DL 726 to Boston leaves the gate
16 h 42 apart on the timetable, overnight
DL 726 leaves 16 h 42 after CI 5346 arrives on the timetable: more than half a day, so not a connection we count.