Schedule: the flights that flew on Wednesday, Oct 21, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
Today
YX 3663 · YOW → ORD
departs 10:39 AM EDT · arrives 12:00 PM CT
YX 3663 isn’t flying YOW → ORD today
This listing came from a typical schedule. According to the FAA, YX 3663 flies these legs today: