UA863 San FranciscoSFO · 23:05 SydneySYD · 06:55
UA863 by United Airlines flies from San Francisco (SFO) to Sydney (SYD) for the Sat, Sep 12 departure.
departs SFO · on schedule
board checked 19m ago · checking again in 45s
Where the minutes go
last 4 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SFO and SYD are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
How UA863 actually runs
Pro Flight Search has tracked every published board update for UA863 across the SFO and SYD boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 4 confirmed landings · 3/4 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how UA863 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as SFO and SYD published them.
Planning around UA863? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — UA863 San Francisco to Sydney on-time performance, measured from the SFO and SYD airport boards.
https://proflightsearch.com/flight/UA863