Schedule: a typical summer Sunday (the flights of Jul 26, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
DELTA · FLIGHT DL 839SCHEDULED · TYPICAL SCHEDULE
DL 839 · DFW → ATL
departs 10:06 AM CT · arrives 1:25 PM ET
Forecast issued Thu 10:00 PM ET · 61h before departure
Odds over time
Arrive at ATL more than 15 minutes late?
20%chance · ±6 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
78%
15–30 min late
5%
30 min–1 hour late
10%
1–2 hours late
2%
Over 2 hours late
3%
Cancelled
2%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.