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 Louisville 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.
Fort LauderdaleFLL · United States22−50 %1 bookable
San FranciscoSFO · United States13−50 %1 bookable
ChicagoORD · United States13−30 %seen Nov 6
OrlandoMCO · United States10−30 %seen Nov 4
MinneapolisMSP · United States10−20 %seen Nov 1
DenverDEN · United States7−20 %seen Oct 30
Las VegasLAS · United States6−40 %seen Nov 1
HoustonIAH · United States4−30 %seen Sep 25
WashingtonIAD · United States4−20 %seen Oct 28
San DiegoSAN · United States4−20 %seen Oct 6
AtlantaATL · United States3−50 %seen Oct 26
Los AngelesLAX · United States2−30 %seen Oct 6
DallasDFW · United States2−20 %seen Oct 26
MiamiMIA · United States1−50 %seen Oct 29
BostonBOS · United States1−20 %seen Oct 26
PhoenixPHX · United States1−20 %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.