UA 1478 then SY 8405 at Houston
Edmonton → Houston → Atlanta
Timetable, Houston time
13:21UA 1478 from Edmonton at the gate
18:30SY 8405 to Atlanta leaves the gate
5 h 09 apart on the timetable
Today
From the airport’s board at 19:03 Houston time
13:21UA 1478 due at the gate, no estimate yet
18:30SY 8405 due to leave, no estimate yet
5 h 09 between the gates, on these times
The last days
UA 1478 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.