DL 1585 then UA 2318 at Houston
Atlanta → Houston → St Louis
Timetable, Houston time
08:46DL 1585 from Atlanta at the gate
14:40UA 2318 to St Louis leaves the gate
5 h 54 apart on the timetable
The last days
DL 1585 and UA 2318 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.