FX 304 then ET 3511 at O'Hare
Memphis → Chicago → Muscat
Timetable, Chicago time
18:39FX 304 from Memphis at the gate
09:05ET 3511 to Muscat leaves the gate
14 h 26 apart on the timetable, overnight
ET 3511 leaves 14 h 26 after FX 304 arrives on the timetable: more than half a day, so not a connection we count.