DL 804 then AS 648 at Seattle
Dallas-Fort Worth → Seattle → Tucson
Timetable, Seattle time
09:03DL 804 from Dallas-Fort Worth at the gate
08:58AS 648 to Tucson leaves the gate
23 h 55 apart on the timetable, overnight
AS 648 leaves 23 h 55 after DL 804 arrives on the timetable: more than half a day, so not a connection we count.