DL 3802 then AA 717 at Seattle
Portland (Oregon) → Seattle → Dallas-Fort Worth
Timetable, Seattle time
15:25DL 3802 from Portland (Oregon) at the gate
14:07AA 717 to Dallas-Fort Worth leaves the gate
22 h 42 apart on the timetable, overnight
AA 717 leaves 22 h 42 after DL 3802 arrives on the timetable: more than half a day, so not a connection we count.