Schedule: a typical Monday (the flights of Jul 27, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
DELTA · FLIGHT DL 2378SCHEDULED · TYPICAL ODDS
DL 2378 · ATL → JFK
departs 4:55 PM ET · arrives 7:48 PM ET
Forecast issued Tue 12:00 AM ET · 161h before departure
Typical odds
Too early for a weather forecast — these are typical odds for this flight on a Monday in October, from the weather this date has had in past years (the range shows how much they varied). They’ll switch to forecast-based odds about 3 days before departure.
Odds over time
Arrive at JFK more than 15 minutes late?
17%chance · ±4 pts– · 24h
HOW SURE WE ARELow. This is mostly a starting point from history; weather forecasts haven't kicked in yet.
How late will it get to JFK?
On time or early
82%
15–30 min late
1%
30 min–1 hour late
6%
1–2 hours late
6%
Over 2 hours late
3%
Cancelled
1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.