Schedule: a typical summer Saturday (the flights of Jul 25, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
DELTA · FLIGHT DL 566SCHEDULED · TYPICAL SCHEDULE
Tomorrow
DL 566 · ATL → STL
departs 11:52 AM ET · arrives 12:30 PM CT
Forecast issued Fri 10:00 AM ET · 26h before departure
Odds over time
Arrive at STL more than 15 minutes late?
11%chance · ±0 pts−3 pts · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to STL?
On time or early
88%
15–30 min late
4%
30 min–1 hour late
5%
1–2 hours late
1%
Over 2 hours late
<1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.