DL 803 then AA 6238 at DFW
Seattle → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
15:21DL 803 from Seattle at the gate
08:25AA 6238 to Amarillo leaves the gate
17 h 04 apart on the timetable, overnight
AA 6238 leaves 17 h 04 after DL 803 arrives on the timetable: more than half a day, so not a connection we count.