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Old Sep 13, 2011 | 7:05 pm
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Originally Posted by randomtask123
I'm searching for flights departing JFK on 11/3/11 for SYD, and am wondering why the research results differ depending on whether I'm searching for skyteam, DL/KE/AF.

Meaning, suppose the following:
A) search with airline 'DL' returns flights 1 2 3 4
B) search with airline 'KE' returns flights 5 6
C) search with airline 'AF' returns flights 8 9 10

But,
D) search with 'skyteam' returns only flights 1 2 3 4 5 7

Why is there this inconsistency? Thanks.
If you search for only one airline then only that airlines results will be shown, which means that the limited amount of results that are returned to us from the GDS at one time can be devoted exclusively to that airline. Specifying an alliance doesn't change how many flights can be returned by the GDS, so some will have to be left out if the total of possible flights is greater then the limit.

As for why flight #7, whatever that is, is returned with one search and not the other? Well your comparing apples to oranges, the GDS returns what it thinks are the top best flights for the search (when a connection is required), changing the search criteria changes the pool of flights it chooses from. By adding other airlines flights into the mix, or not, a flight may or may not make the cut.
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