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.
AMERICAN · FLIGHT AA 2421SCHEDULED · TYPICAL SCHEDULE
Tomorrow
AA 2421 · PHX → SFO
departs 5:33 PM MT · arrives 7:43 PM PT
Forecast issued Fri 6:00 PM ET · 27h before departure
Odds over time
Arrive at SFO more than 15 minutes late?
42%chance · ±11 pts−2 pts · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to SFO?
On time or early
57%
15–30 min late
11%
30 min–1 hour late
13%
1–2 hours late
12%
Over 2 hours late
6%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.