UA 4336 then BA 196 at Houston
Harlingen → Houston → London
Timetable, Houston time
12:52UA 4336 from Harlingen at the gate
21:40BA 196 to London leaves the gate
8 h 48 apart on the timetable
The last days
UA 4336 and BA 196 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.
Later flights to London
No later flight to London on the timetable.