Originally Posted by
lost_perspicacity
Interesting contrast here on seats open vs price
Seatmap availability does not need to have any correlation with Fare bucket availability. In this case, DL4933 on 3/27 is
J9 C9 D0 I0 Z0. So again, price seems to correlate with the bucket availability, not the number of open seats. As you can see there is only availability in the pricey J and C buckets, and the cheaper D/I/Z buckets are all zero'd out. Note that BCD Travel has a free availability checker tool.