UA 5192 then UA 6311 at Houston
Oklahoma City → Houston → Nashville
Timetable, Houston time
09:20UA 5192 from Oklahoma City at the gate
09:50UA 6311 to Nashville leaves the gate
30 min apart on the timetable
The last days
UA 5192 and UA 6311 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.