Schedule: the flights that flew on Thursday, Nov 5, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

DELTA · FLIGHT DL 566 SCHEDULED · TYPICAL SCHEDULE
Tomorrow

DL 566 · GEG → ATL

departs 1:01 PM PT · arrives 8:30 PM ET
Forecast issued Wed 11:00 AM ET · 29h before departure

DL 566 isn’t flying GEG → ATL on Thu, Nov 12

This listing came from a typical schedule. According to the FAA, DL 566 flies these legs that day: