UA 5215 then TK 6019 at O'Hare
South Bend → Chicago → Toronto Pearson
Timetable, Chicago time
08:00UA 5215 from South Bend at the gate
06:20TK 6019 to Toronto Pearson leaves the gate
22 h 20 apart on the timetable, overnight
TK 6019 leaves 22 h 20 after UA 5215 arrives on the timetable: more than half a day, so not a connection we count.