Tracked live by the FAA, but its flight plan was first seen after takeoff, so we don't know the scheduled time and can't say whether it's late.

CHINA SOUTHERN · FLIGHT CZ 657 LANDED 7:33 PM PT, ~24 MIN LATE · SCHEDULED TIME UNKNOWN
Today

CZ 657 · CAN → SFO

took off · landed 7:33 PM PT (scheduled time unknown)
Forecast issued Wed 9:00 AM ET · 22h after departure

Odds over time

Arrive at SFO more than 15 minutes late?
36% chance · ±2 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 15% 30% 45% 60% 2.4d 2d 1d 12h 6h Departs Lands