Schedule: a typical summer Thursday (the flights of Jul 30, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
DELTA · FLIGHT DL 556SCHEDULED · TYPICAL SCHEDULE
Today
DL 556 · SNA → JFK
departs 9:00 PM PT · arrives 5:27 AM ET
Forecast issued Thu 10:00 PM ET · 2h before departure
Odds over time
Arrive at JFK more than 15 minutes late?
42%chance · ±0 pts+31 pts · 24h
HOW SURE WE AREHigh. The odds now come mostly from live FAA and airport data.
How late will it get to JFK?
On time or early
57%
15–30 min late
33%
30 min–1 hour late
<1%
1–2 hours late
6%
Over 2 hours late
<1%
Cancelled
2%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.