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 809SCHEDULED · TYPICAL SCHEDULE
DL 809 · ATL → SJC
departs 9:43 AM ET · arrives 11:30 AM PT
Forecast issued Thu 1:00 AM ET · 57h before departure
Odds over time
Arrive at SJC more than 15 minutes late?
18%chance · ±3 pts– · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to SJC?
On time or early
82%
15–30 min late
8%
30 min–1 hour late
4%
1–2 hours late
4%
Over 2 hours late
1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.