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 Shannon 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.
ParisCDG · France5−50 %1 bookable
BostonBOS · United States2−30 %seen Sep 23
DallasDFW · United States2−30 %seen Sep 21
New YorkJFK · United States2−30 %seen Sep 22
San DiegoSAN · United States2−30 %seen Sep 22
MontrealYUL · Canada1−40 %seen Oct 30
SeattleSEA · United States1−30 %seen Sep 22
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.