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.

DELTA · FLIGHT DL 539 SCHEDULED · TYPICAL SCHEDULE
Today

DL 539 · PDX → ATL

departs 11:37 AM PT · arrives 7:21 PM ET
Forecast issued Tue 2:00 AM ET · 13h before departure

DL 539 isn’t flying PDX → ATL today

This listing came from a typical schedule. According to the FAA, DL 539 flies these legs today: