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> Which will most likely show non-bookable outdated prices more often Why do you assert that?

• elcomet 7y ago
  Certainly because they have to cache results to load the results as fast as they do.
  • deleted 7y ago
    [deleted]
  • p_l 7y ago
    They don't cache them this way. However, I'm not sure they really changed the engine underneath, and it was always designed as something that then was input to booking sites, often with filters on fares, because QPX (the engine) would show you fares that an agent with full view of GDSes would see - and sometimes the airlines don't want to sell certain fares (it already filtered the special unsellable ones of course, but it couldn't apply arbitrary policy decisions from airlines).
• trevyn 7y ago
  Not the OP, but I have personal experience with Google Flights showing non-bookable fares much more often than I’d like/expect.