UA 4423 then TK 6019 at O'Hare
St Louis → Chicago → Toronto Pearson
Timetable, Chicago time
07:36UA 4423 from St Louis at the gate
09:25TK 6019 to Toronto Pearson leaves the gate
1 h 49 apart on the timetable
Today
From the airport’s board at 13:01 Chicago time
07:36UA 4423 is cancelled
09:25TK 6019 due to leave, no estimate yet
The last days
UA 4423 and TK 6019 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.