Schedule: a typical Tuesday (the flights of Jul 28, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
ALASKA · FLIGHT AS 255SCHEDULED · TYPICAL SCHEDULE
Today
AS 255 · SAN → BOS
departs 8:52 PM PT · arrives 5:40 AM ET
Forecast issued Tue 6:00 PM ET · 6h before departure
Odds over time
Arrive at BOS more than 15 minutes late?
19%chance · ±2 pts+3 pts · 24h
HOW SURE WE AREHigh. The odds now come mostly from live FAA and airport data.
How late will it get to BOS?
On time or early
81%
15–30 min late
9%
30 min–1 hour late
4%
1–2 hours late
5%
Over 2 hours late
<1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.