DL 2930 then UA 4306 at Houston
New York LaGuardia → Houston → Lubbock
Timetable, Houston time
17:24DL 2930 from New York LaGuardia at the gate
17:05UA 4306 to Lubbock leaves the gate
23 h 41 apart on the timetable, overnight
UA 4306 leaves 23 h 41 after DL 2930 arrives on the timetable: more than half a day, so not a connection we count.