UA 4601 then BR 661 at O'Hare
St Louis → Chicago → Taipei
Timetable, Chicago time
11:16UA 4601 from St Louis at the gate
09:50BR 661 to Taipei leaves the gate
22 h 34 apart on the timetable, overnight
BR 661 leaves 22 h 34 after UA 4601 arrives on the timetable: more than half a day, so not a connection we count.