GateConnections

DL 347 then DL 438 at Seattle

Orlando → Seattle → Boston

Timetable, Seattle time

12:13DL 347 from Orlando at the gate

11:45DL 438 to Boston leaves the gate

23 h 32 apart on the timetable, overnight

DL 438 leaves 23 h 32 after DL 347 arrives on the timetable: more than half a day, so not a connection we count.