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 726 SCHEDULED · TYPICAL SCHEDULE
Yesterday

DL 726 · ATL → BOS

departs 2:26 PM ET · arrives 4:58 PM ET
Forecast issued Mon 11:00 PM ET · 9h after departure

DL 726 isn’t flying ATL → BOS on Mon, Nov 9

This listing came from a typical schedule. According to the FAA, DL 726 flies these legs that day: