UA 2124 then DL 954 at Houston
New Orleans → Houston → Detroit
Timetable, Houston time
08:23UA 2124 from New Orleans at the gate
15:35DL 954 to Detroit leaves the gate
7 h 12 apart on the timetable
Today
From the airport’s board at 16:43 Houston time
08:28UA 2124 reached the gate5 min late
15:38DL 954 left the gate3 min late
7 h 10 between the gates
The last days
UA 2124 and DL 954 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.