Schedule: the flights that flew on Friday, Nov 6, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
DELTA · FLIGHT DL 820SCHEDULED · TYPICAL SCHEDULE
DL 820 · SLC → JFK
departs 11:38 PM MT · arrives 6:00 AM ET
Forecast issued Wed 2:00 PM ET · 60h before departure
Odds over time
Arrive at JFK more than 15 minutes late?
17%chance · ±3 pts– · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to JFK?
On time or early
82%
15–30 min late
5%
30 min–1 hour late
6%
1–2 hours late
3%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.