UA 3238 then UA 6157 at Houston
St Louis → Houston → Atlanta
Timetable, Houston time
11:10UA 3238 from St Louis at the gate
20:00UA 6157 to Atlanta leaves the gate
8 h 50 apart on the timetable
Today
From the airport’s board at 20:45 Houston time
10:57UA 3238 reached the gate13 min early
20:03UA 6157 left the gate3 min late
9 h 06 between the gates
The last days
UA 3238 and UA 6157 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.