UA 4358 then UA 1328 at Houston
Knoxville → Houston → Atlanta
Timetable, Houston time
17:24UA 4358 from Knoxville at the gate
20:00UA 1328 to Atlanta leaves the gate
2 h 36 apart on the timetable
The last days
UA 4358 and UA 1328 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.