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 Jerez de la Frontera 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.
BarcelonaBCN · Spain5−50 %1 bookable
AmsterdamAMS · Netherlands5−40 %seen Oct 23
AtlantaATL · United States4−50 %1 bookable
SeattleSEA · United States4−50 %1 bookable
HoustonIAH · United States4−40 %1 bookable
San FranciscoSFO · United States4−40 %1 bookable
BrusselsBRU · Belgium3−50 %seen Oct 30
FrankfurtFRA · Germany2−50 %seen Oct 25
LisbonLIS · Portugal2−50 %seen Nov 6
PhiladelphiaPHL · United States2−40 %seen Nov 8
ParisCDG · France1−50 %seen Oct 28
ToulouseTLS · France1−50 %seen Oct 29
ChicagoORD · United States1−30 %seen Nov 7
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 November.