CX873Cathay Pacific · SFO → HKG
live · 15m ago
Route confirmed Cathay Pacific

CX873 San FranciscoSFO · 22:55 Hong KongHKG · 06:20

CX873 by Cathay Pacific flies from San Francisco (SFO) to Hong Kong (HKG) for the Mon, Nov 2 departure.

Right nowOn Time · gate A11
22:55

departs SFO · on schedule

Typical gate push+4 minmedian posted departure
Typical arrival−20 minmedian over 4 operations
Wins back in air~24 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 4 operations · gate push → arrival
0+198+396+594 min
11-02
−20 arrival
11-01
+4 gate · −20 arrival
10-31
+1 gate · −41 arrival
10-30
+10 gate · +594 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 →
HKGHong KongOn-time likelyHKG delay board →
SFO→HKGevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
41%Chance of 15+ min delay
1.2%Chance of cancellation
+11 minTypical airport delay in this weather

Conditions at SFO and HKG 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 at San Francisco

Forecast

Tue 3 Nov, local date

High19°Clikely 17°C to 20°C
Low12°Clikely 11°C to 14°C
  • 74% chance of rain

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at Hong Kong

Forecast

Wed 4 Nov, local date

High29°Clikely 28°C to 30°C
Low26°Clikely 25°C to 27°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · 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.

Other San Francisco to Hong Kong flights today

same route · Cathay Pacific
CX2873departs 00:20
CX879departs 12:25

If CX873 is cancelled, these are the other Cathay Pacific nonstop flights from San Francisco to Hong Kong on the same day, with scheduled departure times in SFO local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How CX873 actually runs

Pro Flight Search has tracked every published board update for CX873 across the SFO and HKG boards: schedule changes, gate pushes and actual clocks. Usually lands ~20 min early. 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 CX873 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
11-02SFO 22:55HKG 06:20 06:00 (−20)
11-01SFO 22:55 22:59 (+4)HKG 06:20 06:00 (−20)
10-31SFO 23:55 23:56 (+1)HKG 06:20 05:39 (−41)
10-30SFO 23:55 00:05 (+10)HKG 06:20 16:14 (+594)

Board clocks recorded as SFO and HKG published them.

Planning around CX873? 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: CX873 San Francisco to Hong Kong on-time performance, measured from the SFO and HKG airport boards.

Canonical URL
https://proflightsearch.com/flight/CX873
How we measure this →