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 Seattle 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.
LondonLHR · United Kingdom19−40 %1 bookable
Los AngelesLAX · United States17−50 %seen Oct 28
San DiegoSAN · United States9−50 %1 bookable
HoustonIAH · United States7−40 %seen Oct 30
Las VegasLAS · United States6−50 %seen Oct 27
AbbotsfordYXX · Canada6−40 %seen Oct 31
HalifaxYHZ · Canada5−50 %seen Nov 1
San FranciscoSFO · United States5−40 %1 bookable
DenverDEN · United States4−50 %seen Oct 30
WaterlooYKF · Canada4−30 %2 bookable
MiamiMIA · United States3−40 %seen Oct 28
MonctonYQM · Canada3−20 %seen Oct 8
MinneapolisMSP · United States2−40 %seen Oct 8
PhoenixPHX · United States2−40 %seen Oct 27
OrlandoMCO · United States2−30 %seen Nov 1
HamiltonYHM · Canada2−30 %1 bookable
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.