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 Londres 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.
BordeauxBOD · France14−50 %2 bookable
ParisCDG · France11−30 %seen Sep 24
RomeFCO · Italy10−30 %seen Oct 8
LyonLYS · France4−50 %1 bookable
MadridMAD · Spain2−40 %seen Oct 8
BarcelonaBCN · Spain1−20 %seen Sep 19
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 September.