Connecting at Hong Kong
 

0) You have a good chance of making the connection. In fact, if no delay, you are pretty much guaranteed to make it. The MCT is 50 min.
1) No, but there are many transfer points throughout the terminal. Before landing, the airshow channel will show the gate you are arriving at, and the gate your SIN flight will depart from. Take a look at the in-flight Discovery magazine to familiarise yourself with what route will be the best for you if you are worried about it (or if the flight is arriving a bit late).
2) Yes, if your flight is delayed by more than 25 min. then likely there will be a CX staff waiting for you upon arrival. Look for signs with connecting flight info and names upon arrival.
3) Yes, as long as those flights are not full.
4) CX is usually good at this, but this may be a bit iffy. In case it doesn't make it, go to the SINCX baggage office, leave your address, and it will be delivered to you later that day most likely. In fact, I would personally like it, as it avoids my need to drag bags around.

That being said, if you are worried about connection time and if your flights can still be changed without penalty (either you have a flexible ticket or the tickets are not issued yet), why not book a later flight and enjoy the CX lounges at HKG, which are really good. Although with a 70-min. connection, you can still probably get a bite.

I second this suggestion.

We are an Australian family of four (with two primary school aged kids) who are going the opposite way in two months time (PER-HKG-LHR), and our usual plan is to stop off at the lounge to have a shower, get a bite and let the kids have a run around. We find having two to three hours between the flights at HKIA works well with the above plan.

If you arrive within MCT, luggage should be able to keep up. If not, ground staff at SIN should assist in delivering your luggage to your stipulated address on arrival.

Personally I almost always leave a 2-hour gap for a shower and a bite in the lounges. 50- or 60-minutes is doable, although slightly stressful. However, Cathay is quite reliable under these circumstances; as you have other SIN flights to fall back on, I wouldn't worry too much.

Enjoy your flights!

Other posters have provided good info.

HKG is an excellent transit airport, and you don't have to have a heart attack like you may be familiar at LHR. The only catch is, as a fellow above said, you don't have much room for error obviously. If you're on time or even 20 minutes late you won't have a problem. It will start to get close with a 25 minute delay, and somewhere around 35+ you're in trouble. So it really just comes down to the timeliness of your inbound flight, or if you get "lucky" maybe your second flight is delayed.

If you have the time, search for transit, MCT, transit time, connection, short connection, etc. Both myself and other posters have written about this extensively. In general know this: all arrivals are downstairs, all departures are upstairs. There is only one airside terminal whose buildings are all linked, well signed and extremely convenient. You're looking at tops 15 minute walk or train ride (basically one end of the concourse to the other) for CX to CX connections. So a "transit" practically means passing security checkpoints that get you from downstairs to upstairs in the same building. I say this, because sometimes a checkpoint can be clogged. Maybe a few planes arrived nearby. all transit checkpoints take you upstairs, and it's possible given your departure flight it won't even be a detour.

So as the other posters say, it would be a good idea to familiarize yourself with the different transit checkpoint locations and gates. CX uses exclusively gates 1-80. No 200 gates, no 500 gates.

I have had an experience at HKG, where my first flight was delayed - on a ticket with a 1hr scheduled transit. I was flying ADL- HKG - PVG.
upon landing at HKG, ground crew gathered everyone making the transit to the next flight and (literally) ran with us through the airport to the flight. At the security screening, an empty line was opened up just for us and we ran through and boarded our next flight.
Assuming your flights are on the same ticket, in my experience, CX will look after you at HKG.

However, our bags did not make it onto that flight and arrived on a separate CX flight two hours later (CX or KA flies almost hourly into PVG).

I fully agree.

And the most important consideration is to be fully relaxed about it.
There will be a lot of transit pax from Europe on this CX691. And the next flight is CX759 at 8:30.
CX is very good in handling delays and rebooking in case that happens.
You are in J and bags will make it as fast as you.

Of course, my message would be different on the inbound. I would pad a larger connection time before the longhaul to MAN to reduce the risk to spend an extra day in HK.

Please note that the length of HKG terminal is almost a mile long. Walking this distance takes some PAX a lot of time.

hkg/hkt
 

Arriving on cx873 business class , departing on KA212

what are the odds of using one of the CX lounges in HKg, I have onwworld Sapphire card ?

What do you mean by "odds"?

You are able to use any oneworld business lounge at HKG under oneworld rules assuming a same day connection.

Quote:

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Originally Posted by murphyjunk (Post 31022597)

Arriving on cx873 business

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If murphyjunk has sapphire then it doesn't matter whether it is a same-day connection or whether it is economy or business. KA is a oneworld affiliate and provides all standard oneworld élite benefits.

Oh, true, sorry. Strange that he doesn't know that.