UA 556 then UA 1806 at Houston
Nashville → Houston → Dallas-Fort Worth
Timetable, Houston time
08:45UA 556 from Nashville at the gate
11:55UA 1806 to Dallas-Fort Worth leaves the gate
3 h 10 apart on the timetable
Today
From the airport’s board at 00:23 Houston time
08:45UA 556 due at the gate, no estimate yet
11:55UA 1806 due to leave, no estimate yet
3 h 10 between the gates, on these times
The last days
UA 556 and UA 1806 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.