UA 2267 then UA 3907 at Houston
Ontario → Houston → Washington
Timetable, Houston time
11:10UA 2267 from Ontario at the gate
07:00UA 3907 to Washington leaves the gate
19 h 50 apart on the timetable, overnight
UA 3907 leaves 19 h 50 after UA 2267 arrives on the timetable: more than half a day, so not a connection we count.