UA 604 then AA 4487 at Houston
San Francisco → Houston → Chicago
Timetable, Houston time
06:32UA 604 from San Francisco at the gate
11:07AA 4487 to Chicago leaves the gate
4 h 35 apart on the timetable
Today
From the airport’s board at 01:41 Houston time
06:25UA 604 expected at the gate7 min early
11:07AA 4487 due to leave, no estimate yet
4 h 42 between the gates, on these times
The last days
UA 604 and AA 4487 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.