Schedule: the flights that flew on Monday, Nov 2, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

SKYWEST · FLIGHT OO 4918 SCHEDULED · TYPICAL SCHEDULE
Tomorrow

OO 4918 · COS → ORD

departs 1:31 PM MT · arrives 5:03 PM CT
Forecast issued Sun 1:00 PM ET · 26h before departure

OO 4918 isn’t flying COS → ORD on Mon, Nov 9

This listing came from a typical schedule. According to the FAA, OO 4918 flies these legs that day: