Schedule: the flights that flew on Saturday, Oct 24, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
DELTA · FLIGHT DL 661SCHEDULED · TYPICAL SCHEDULE
DL 661 · SNA → SEA
departs 2:20 PM PT · arrives 5:19 PM PT
Forecast issued Thu 4:00 AM ET · 61h before departure
Odds over time
Arrive at SEA more than 15 minutes late?
18%chance · ±1 pts– · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to SEA?
On time or early
81%
15–30 min late
7%
30 min–1 hour late
6%
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%.