UA888United Airlines · SFO → PEK
live · 8m ago
Route confirmed United Airlines

UA888 San FranciscoSFO · 11:45 BeijingPEK · 17:25

UA888 by United Airlines flies from San Francisco (SFO) to Beijing (PEK) for the Thu, Oct 29 departure.

Right nowEn route to Beijing · off blocks 11:37 · 8 min early
17:17

estimated arrival at PEK · local time · ~11h 52m from now

En routeUA888 · position estimated
SFOSan FranciscoPEKBeijing
Estimated from the boardsarr 17:17

Board estimate · gate and arrival times. Off blocks 11:37 · typical taxi-out at SFO ≈ 12.7 min. No receiver coverage over open ocean.

Typical gate push−8 minmedian posted departure
Typical arrival−8 minmedian over 4 operations

Where the minutes go

last 4 operations · gate push → arrival
0+36+72+108 min
10-29
−8 gate · −8 arrival
10-28
−10 gate · −15 arrival
10-27
−8 gate · +2 arrival
10-26
+108 gate · −9 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The route today

live boards
SFOSan FranciscoOn-time likelySFO delay board →
PEKBeijingModerate riskPEK delay board →
SFO→PEKevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
40%Chance of 15+ min delay
2.0%Chance of cancellation
+12 minTypical airport delay in this weather

Conditions at SFO and PEK are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records 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 →

Tomorrow on this route

Forecast

San Francisco to Beijing with United Airlines · Fri 30 Oct, local date

Outlook: about usual
Chance a departure is cancelled
0.3%4.1× usual
Chance a departure leaves 60+ min late
5.7%1.1× usual

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 1 departures a day on this route with this airline. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

How UA888 actually runs

Pro Flight Search has tracked every published board update for UA888 across the SFO and PEK boards: schedule changes, gate pushes and actual clocks. Usually lands ~9 min early. Based on 3 confirmed landings · 3/3 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA888 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
10-29SFO 11:45 11:37 (−8)PEK 17:25 17:17 (−8)
10-28SFO 11:45 11:35 (−10)PEK 17:25 17:10 (−15)
10-27SFO 11:45 11:37 (−8)PEK 17:25 17:27 (+2)
10-26SFO 11:45 13:33 (+108)PEK 17:25 17:16 (−9)

Board clocks recorded as SFO and PEK published them.

Planning around UA888? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: UA888 San Francisco to Beijing on-time performance, measured from the SFO and PEK airport boards.

Canonical URL
https://proflightsearch.com/flight/UA888
How we measure this →