UA 2004 then ET 3511 at O'Hare
San Jose (California) → Chicago → Muscat
Timetable, Chicago time
20:32UA 2004 from San Jose (California) at the gate
09:05ET 3511 to Muscat leaves the gate
12 h 33 apart on the timetable, overnight
ET 3511 leaves 12 h 33 after UA 2004 arrives on the timetable: more than half a day, so not a connection we count.