Schedule: the flights that flew on Tuesday, Nov 3, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

SKYWEST · FLIGHT OO 3857 SCHEDULED · TYPICAL SCHEDULE
Tomorrow

OO 3857 · SEA → GEG

departs 3:40 PM PT · arrives 4:55 PM PT
Forecast issued Tue 1:00 AM ET · 18h before departure

OO 3857 isn’t flying SEA → GEG on Tue, Nov 10

This listing came from a typical schedule. According to the FAA, OO 3857 flies these legs that day: