Schedule: the flights that flew on Wednesday, Oct 7, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 877SCHEDULED · TYPICAL SCHEDULE
UA 877 · SFO → HKG
departs 12:01 AM PT · arrives 5:20 AM HKT
Forecast issued Mon 11:00 AM ET · 40h before departure
Odds over time
Arrive at HKG more than 15 minutes late?
7%chance · ±1 pts−1 pt · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to HKG?
On time or early
92%
15–30 min late
0%
30 min–1 hour late
5%
1–2 hours late
1%
Over 2 hours late
<1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.