Schedule: a typical Thursday (the flights of Jul 30, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
DELTA · FLIGHT DL 456SCHEDULED · TYPICAL SCHEDULE
DL 456 · BOS → ATL
departs 9:05 AM ET · arrives 11:55 AM ET
Forecast issued Tue 5:00 PM ET · 40h before departure
Odds over time
Arrive at ATL more than 15 minutes late?
6%chance · ±0 pts+0 pts · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to ATL?
On time or early
93%
15–30 min late
<1%
30 min–1 hour late
3%
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%.