CX138Cathay Pacific · SYD → HKG
live · 10m ago
Route confirmed Cathay Pacific

CX138 SydneySYD · 22:20 Hong KongHKG · 04:25

CX138 by Cathay Pacific flies from Sydney (SYD) to Hong Kong (HKG) for the Fri, Oct 30 departure.

Right nowOn Time · today
22:20

departs SYD · on schedule

Typical gate push+0 minmedian posted departure
Typical arrival−5 minmedian over 5 operations
Wins back in air~5 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 6 operations · gate push → arrival
0+30+60+90 min
10-30
−5 arrival
10-29
+0 gate
10-28
+0 gate · −5 arrival
10-27
+0 gate · −10 arrival
10-26
+0 gate · +11 arrival
10-25
−6 arrival

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

The last 30 days

arrival outcome per operation

median arrival −5 min · 0 cancelled · 6 operations tracked

The route today

live boards
SYDSydneyOn-time likelySYD delay board →
HKGHong KongOn-time likelyHKG delay board →
SYD→HKGevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
35%Chance of 15+ min delay
2.5%Chance of cancellation
+5 minTypical airport delay in this weather

Conditions at SYD 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 on this route

Forecast

Sydney to Hong Kong with Cathay Pacific · Sat 31 Oct, local date

Outlook: about usual
Chance a departure is cancelled
0.6%1.4× usual
Chance a departure leaves 60+ min late
3.7%1.5× usual

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 4 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.

Other Sydney to Hong Kong flights today

same route · Cathay Pacific
CX110departs 08:40
CX162departs 11:10
CX100departs 15:05

If CX138 is cancelled, these are the other Cathay Pacific nonstop flights from Sydney to Hong Kong on the same day, with scheduled departure times in SYD 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 CX138 actually runs

Pro Flight Search has tracked every published board update for CX138 across the SYD and HKG boards: schedule changes, gate pushes and actual clocks. Usually lands ~5 min early. Based on 5 confirmed landings · 5/5 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how CX138 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
10-30SYD 22:20HKG 04:25 04:20 (−5)
10-29SYD 22:20 (+0)HKG
10-28SYD 22:20 (+0)HKG 04:25 04:20 (−5)
10-27SYD 22:20 (+0)HKG 04:25 04:15 (−10)
10-26SYD 22:20 (+0)HKG 04:25 04:36 (+11)
10-25SYD HKG 04:25 04:19 (−6)

Board clocks recorded as SYD and HKG published them.

Planning around CX138? 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: CX138 Sydney to Hong Kong on-time performance, measured from the SYD and HKG airport boards.

Canonical URL
https://proflightsearch.com/flight/CX138
How we measure this →