UA 4183 then BR 661 at O'Hare
St Louis → Chicago → Taipei
Timetable, Chicago time
10:04UA 4183 from St Louis at the gate
09:50BR 661 to Taipei leaves the gate
23 h 46 apart on the timetable, overnight
BR 661 leaves 23 h 46 after UA 4183 arrives on the timetable: more than half a day, so not a connection we count.