Schedule: the flights that flew on Monday, Nov 9, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

DELTA · FLIGHT DL 2857 SCHEDULED · TYPICAL SCHEDULE
Tomorrow

DL 2857 · MDT → ATL

departs 6:22 PM ET · arrives 8:35 PM ET
Forecast issued Sun 4:00 PM ET · 26h before departure

DL 2857 isn’t flying MDT → ATL on Mon, Nov 16

This listing came from a typical schedule. According to the FAA, DL 2857 flies these legs that day: