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-   -   I class - redefining math? (https://www.flyertalk.com/forum/air-canada-aeroplan/656647-i-class-redefining-math.html)

Simon Feb 6, 2007 4:35 pm


Originally Posted by SmilingBoy (Post 7168555)
You always have the option to ask for volunteers first, and then you star unloading by looking at status and fare class paid. Unlikely you would need to IDB a J ticket holder. Perhaps they mean that they don't sell more J class tickets than seats in the cabin, but on top of that C, I and award tickets?

SmilingBoy.


1. AC does not oversell J.
2. C/I availability are subsets of J availability.


Simon

FlyerGoldII Feb 6, 2007 4:56 pm


Originally Posted by Simon (Post 7171129)
1. AC does not oversell J.
2. C/I availability are subsets of J availability.


Simon

Are "I" and "C" separate subsets of "J" - with "I" and "C" being independent of each other. I would guess that "I" is always lower than, or equal to, "C"?

pmax Feb 6, 2007 5:09 pm


Originally Posted by FlyerGoldII (Post 7171233)
Are "I" and "C" separate subsets of "J" - with "I" and "C" being independent of each other. I would guess that "I" is always lower than, or equal to, "C"?

I have yet to see a case where I > C, but I have no idea if this is a rule.

Rejuvenated Feb 6, 2007 6:04 pm


Originally Posted by FlyerGoldII (Post 7171233)
Are "I" and "C" separate subsets of "J" - with "I" and "C" being independent of each other.

Yes. "C" and "I" are in the lower bracket (often discounted) fares for business class whereas J is a full-fared business.

Simon Feb 6, 2007 6:15 pm

It is my belief (although someone will need to confirm) that you could see something like:

J9C9I6

...but where you cannot actually buy a C ticket.

Also, Rejuvenated, I'm not sure if this is what you meant, but you cannot actually buy an I class fare, they are only used for upgrades.

Simon

Rejuvenated Feb 6, 2007 6:23 pm


Originally Posted by Simon (Post 7171667)
Also, Rejuvenated, I'm not sure if this is what you meant, but you cannot actually buy an I class fare, they are only used for upgrades.

Simon

Sorry for not being clear, I meant in general for many airlines. CX for example treats "I" as the lowest possible booking class for business class (often in promos). For award business, "U" is their designated booking class.

taupo Feb 6, 2007 6:48 pm

Their are some things in life that just cannot be worked out or fully understood. How airlines calculate fare buckets could possibly be one of those things.

My understanding is that the J/C/I availability is controlled by the route controller, who uses historic data for that particular route, on that day, at that time of day, what are the connectors, how many people people on the connectors, delays of other flights etc. We could discuss this ad nauseum and still not come close to what the formula is and their is no magic formula IMO.

I am flying to LHR in April. For the week I need to go, all the flights ex YVR show zero availability in all economy fare classes, and 9 in JCI. I'm trying to figure out what is going on in LHR or finishing in YVR around that time.

Simon Feb 6, 2007 7:15 pm


Originally Posted by Rejuvenated (Post 7171719)
Sorry for not being clear, I meant in general for many airlines. CX for example treats "I" as the lowest possible booking class for business class (often in promos). For award business, "U" is their designated booking class.

No worries.

But even I is not always business class related... even at AC, pre-the C -> I change, I was part of the dreaded RINGPET Tango fare classes.

Simon

Rejuvenated Feb 6, 2007 7:27 pm


Originally Posted by taupo (Post 7171865)
My understanding is that the J/C/I availability is controlled by the route controller, who uses historic data for that particular route, on that day, at that time of day, what are the connectors, how many people people on the connectors, delays of other flights etc. We could discuss this ad nauseum and still not come close to what the formula is and their is no magic formula IMO.

Exactly! Only the airlines themselves have the exact numbers in reference to seat availabilities.

SmilingBoy Feb 7, 2007 1:29 am


Originally Posted by Simon (Post 7171129)
1. AC does not oversell J.
2. C/I availability are subsets of J availability.

So that means they don't sell more tickets in business class than there are seats? This implies that there will almost always be empty seats in business class as there will always be some no-shows. Correct?

SmilingBoy.

cur Feb 7, 2007 4:15 am

I class - redefining obsession, I would say...

Simon Feb 7, 2007 6:57 am


Originally Posted by SmilingBoy (Post 7173789)
So that means they don't sell more tickets in business class than there are seats? This implies that there will almost always be empty seats in business class as there will always be some no-shows. Correct?

SmilingBoy.

Correct on your first point, not correct on your second.

If there are remaining unsold seats when checkin closes, they will begin to fill them up with any people who waitlisted for an upgrade when they checked in, on some routes filling the cabin.

Simon


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