AA 454 then QR 8177 at DFW
Lubbock → Dallas-Fort Worth → Los Angeles
Timetable, Dallas-Fort Worth time
13:57AA 454 from Lubbock at the gate
13:40QR 8177 to Los Angeles leaves the gate
23 h 43 apart on the timetable, overnight
QR 8177 leaves 23 h 43 after AA 454 arrives on the timetable: more than half a day, so not a connection we count.