UA 779 then DL 751 at Denver
Austin → Denver → New York LaGuardia
Timetable, Denver time
12:10UA 779 from Austin at the gate
13:00DL 751 to New York LaGuardia leaves the gate
50 min apart on the timetable
The last days
UA 779 and DL 751 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.