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 1797 SCHEDULED · TYPICAL SCHEDULE
Today

DL 1797 · MIA → LGA

departs 7:58 PM ET · arrives 10:49 PM ET
Forecast issued Thu 2:00 AM ET · 18h before departure

DL 1797 isn’t flying MIA → LGA today

This listing came from a typical schedule. According to the FAA, DL 1797 flies these legs today: