DL 535 then DL 1874 at Atlanta
Kahului → Atlanta → Houston
Timetable, Atlanta time
05:21DL 535 from Kahului at the gate
14:37DL 1874 to Houston leaves the gate
9 h 16 apart on the timetable
The last days
DL 535 and DL 1874 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.