Over twelve months: where the drops came from, how often, and how far. Past deals are no longer bookable and so are not links — what they add here is the pattern.
Where the deals to Fukuoka came from
The bar says how often a drop has been proven from that airport over twelve months. The badge says how far the price fell.
TorontoYTZ · Canada7−50 %seen Oct 31
BostonBOS · United States4−50 %seen Nov 4
San DiegoSAN · United States4−40 %1 bookable
SeattleSEA · United States4−40 %seen Nov 2
PhoenixPHX · United States3−40 %seen Nov 1
MiamiMIA · United States2−50 %seen Nov 5
PhiladelphiaPHL · United States2−50 %seen Nov 8
OttawaYOW · Canada2−40 %seen Oct 31
MontrealYUL · Canada2−40 %seen Oct 20
TorontoYYZ · Canada2−40 %seen Oct 19
VancouverYVR · Canada2−30 %seen Oct 2
DenverDEN · United States1−50 %seen Oct 13
WashingtonIAD · United States1−50 %seen Oct 28
HoustonIAH · United States1−50 %seen Oct 30
OrlandoMCO · United States1−50 %seen Oct 27
ChicagoORD · United States1−30 %seen Oct 22
When the deals show up
A bar’s height is the number of drops spotted that month, its colour the month’s best discount. The tallest is October.