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 Tallinn 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.
RomeFCO · Italy10−50 %seen Nov 7
SeattleSEA · United States6−50 %seen Nov 6
VancouverYVR · Canada3−50 %seen Nov 7
MiamiMIA · United States3−30 %1 bookable
MontrealYUL · Canada2−40 %seen Oct 6
HoustonIAH · United States1−50 %seen Sep 23
San DiegoSAN · United States1−50 %seen Sep 23
MinneapolisMSP · United States1−40 %seen Oct 11
TorontoYTZ · Canada1−40 %seen Oct 2
OttawaYOW · Canada1−30 %seen Nov 4
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.