Schedule: the flights that flew on Wednesday, Nov 4, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 871SCHEDULED · TYPICAL SCHEDULE
Tomorrow
UA 871 · SFO → TPE
departs 1:48 PM PT · arrives 7:48 PM CST
Forecast issued Tue 12:00 PM ET · 29h before departure
Odds over time
Arrive at TPE more than 15 minutes late?
15%chance · ±2 pts+0 pts · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to TPE?
On time or early
84%
15–30 min late
3%
30 min–1 hour late
7%
1–2 hours late
3%
Over 2 hours late
1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.