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 1554 SCHEDULED · TYPICAL SCHEDULE
Today

DL 1554 · ATL → IAD

departs 3:26 PM ET · arrives 5:23 PM ET
Forecast issued Tue 10:00 AM ET · 5h before departure

DL 1554 isn’t flying ATL → IAD today

This listing came from a typical schedule. According to the FAA, DL 1554 flies these legs today: