UA 6249 then UA 4052 at Houston
Manzanillo → Houston → Louisville
Timetable, Houston time
16:34UA 6249 from Manzanillo at the gate
18:33UA 4052 to Louisville leaves the gate
1 h 59 apart on the timetable
The last days
UA 6249 and UA 4052 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.