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 519SCHEDULED · TYPICAL SCHEDULE
Tomorrow
DL 519 · ATL → DEN
departs 4:43 PM ET · arrives 5:56 PM MT
Forecast issued Wed 6:00 AM ET · 35h before departure
Odds over time
Arrive at DEN more than 15 minutes late?
28%chance · ±4 pts−6 pts · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to DEN?
On time or early
72%
15–30 min late
13%
30 min–1 hour late
9%
1–2 hours late
3%
Over 2 hours late
3%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.