AA 1915 then AS 550 at DFW
Richmond → Dallas-Fort Worth → Seattle
Timetable, Dallas-Fort Worth time
19:40AA 1915 from Richmond at the gate
19:31AS 550 to Seattle leaves the gate
23 h 51 apart on the timetable, overnight
AS 550 leaves 23 h 51 after AA 1915 arrives on the timetable: more than half a day, so not a connection we count.