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.

DELTA · FLIGHT DL 1453 SCHEDULED · TYPICAL SCHEDULE
Today

DL 1453 · LGA → RDU

departs 2:25 PM ET · arrives 4:06 PM ET
Forecast issued Mon 9:00 PM ET · 7h after departure

DL 1453 isn’t flying LGA → RDU today

This listing came from a typical schedule. According to the FAA, DL 1453 flies these legs today: