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 Alger 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.
LilleLIL · France20−50 %2 bookable
BordeauxBOD · France14−50 %1 bookable
ToulouseTLS · France14−50 %1 bookable
MontpellierMPL · France12−50 %1 bookable
MarseilleMRS · France11−50 %seen Oct 8
StrasbourgSXB · France9−50 %1 bookable
BrusselsBRU · Belgium8−40 %seen Oct 7
ParisCDG · France8−30 %seen Sep 18
LyonLYS · France7−40 %1 bookable
FrankfurtFRA · Germany6−40 %seen Oct 7
NantesNTE · France5−40 %seen Oct 8
Quebec CityYQB · Canada3−40 %1 bookable
ParisORY · France3−30 %1 bookable
TorontoYTZ · Canada3−30 %1 bookable
PhoenixPHX · United States2−50 %seen Sep 24
LisbonLIS · Portugal2−40 %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.