Schedule: a typical Saturday (the flights of Jul 25, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
DELTA · FLIGHT DL 506SCHEDULED · TYPICAL SCHEDULE
DL 506 · SEA → MIA
departs 8:09 AM PT · arrives 5:16 PM ET
Forecast issued Wed 8:00 PM ET · 63h before departure
Odds over time
Arrive at MIA more than 15 minutes late?
25%chance · ±1 pts+4 pts · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to MIA?
On time or early
74%
15–30 min late
16%
30 min–1 hour late
3%
1–2 hours late
3%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.