DL 1173 then DL 503 at Atlanta
Lexington → Atlanta → Portland (Oregon)
Timetable, Atlanta time
17:14DL 1173 from Lexington at the gate
16:53DL 503 to Portland (Oregon) leaves the gate
23 h 39 apart on the timetable, overnight
DL 503 leaves 23 h 39 after DL 1173 arrives on the timetable: more than half a day, so not a connection we count.