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 Hambourg 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.
BrusselsBRU · Belgium4−30 %seen Sep 29
TorontoYYZ · Canada2−50 %seen Oct 8
EdmontonYEG · Canada2−40 %1 bookable
NiceNCE · France2−20 %seen Sep 29
RomeFCO · Italy1−50 %seen Sep 21
PhoenixPHX · United States1−40 %seen Sep 24
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.