UA 2249 then DL 811 at Houston
Salt Lake City → Houston → Miami
Timetable, Houston time
10:53UA 2249 from Salt Lake City at the gate
15:25DL 811 to Miami leaves the gate
4 h 32 apart on the timetable
Today
From the airport’s board at 22:01 Houston time
10:44UA 2249 reached the gate9 min early
16:18DL 811 left the gate53 min late
5 h 34 between the gates
The last days
UA 2249 and DL 811 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.