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 Sapporo 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 · Canada8−50 %seen Oct 21
San FranciscoSFO · United States7−30 %seen Oct 27
San DiegoSAN · United States4−40 %seen Oct 27
WashingtonIAD · United States3−50 %seen Oct 25
PhiladelphiaPHL · United States3−50 %seen Nov 4
PhoenixPHX · United States3−50 %seen Nov 2
Los AngelesLAX · United States3−40 %1 bookable
DenverDEN · United States2−50 %seen Oct 27
MiamiMIA · United States2−50 %seen Nov 3
OttawaYOW · Canada2−50 %seen Oct 20
OrlandoMCO · United States2−40 %seen Sep 29
MontrealYUL · Canada2−40 %seen Oct 21
TorontoYYZ · Canada2−40 %seen Oct 22
SeattleSEA · United States2−30 %seen Oct 17
EdmontonYEG · Canada2−30 %seen Sep 27
VictoriaYYJ · Canada2−20 %seen Oct 26
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.