UA 451 then TP 216 at Boston
Houston → Boston → Lisbon
Timetable, Boston time
19:10UA 451 from Houston at the gate
22:10TP 216 to Lisbon leaves the gate
3 h apart on the timetable
The last days
UA 451 and TP 216 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 Lisbon
No later flight to Lisbon on the timetable.