UA 4040 then DL 9964 at Atlanta
Houston → Atlanta → Seattle
Timetable, Atlanta time
10:36UA 4040 from Houston at the gate
18:55DL 9964 to Seattle leaves the gate
8 h 19 apart on the timetable
The last days
UA 4040 and DL 9964 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.
Later flights to Seattle
DL 90321:2010 h 44 after UA 4040 on the timetable