Originally Posted by
mre5765
Sure, if you book say 2 months out, the fares are all the same... If there are 100 seats in the same cabin of a plane, the first seat sells for the least, and the last seat sells for the most because the first/last seats are the least/most scarce.
This is simply not true.
Prices vary seemingly randomly over time. Often they start out high and drop one day only to return to a higher price the next.
I have certain routes that I watch almost daily and I can assure you that the simple linear price model you allege is not accurate.