UA 1645 then SY 8405 at Houston
Cleveland → Houston → Atlanta
Timetable, Houston time
08:21UA 1645 from Cleveland at the gate
18:30SY 8405 to Atlanta leaves the gate
10 h 09 apart on the timetable
Today
From the airport’s board at 07:01 Houston time
08:21UA 1645 is cancelled
18:30SY 8405 due to leave, no estimate yet
The last days
UA 1645 and SY 8405 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.