WN 948 then DL 438 at Seattle
Orlando → Seattle → Boston
Timetable, Seattle time
12:00WN 948 from Orlando at the gate
11:45DL 438 to Boston leaves the gate
23 h 45 apart on the timetable, overnight
DL 438 leaves 23 h 45 after WN 948 arrives on the timetable: more than half a day, so not a connection we count.