DE 5000 then UA 8202 at San Francisco
Seattle → San Francisco → Houston
Timetable, San Francisco time
18:01DE 5000 from Seattle at the gate
18:42UA 8202 to Houston leaves the gate
41 min apart on the timetable
The last days
DE 5000 and UA 8202 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.