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 677SCHEDULED · TYPICAL SCHEDULE
DL 677 · LAS → ATL
departs 7:05 AM PT · arrives 2:05 PM ET
Forecast issued Tue 6:00 PM ET · 40h before departure
Odds over time
Arrive at ATL more than 15 minutes late?
12%chance · ±1 pts+1 pt · 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
88%
15–30 min late
6%
30 min–1 hour late
3%
1–2 hours late
1%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.