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 Vienne 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.
NantesNTE · France21−50 %1 bookable
CharleroiCRL · Belgium5−50 %seen Oct 21
MarseilleMRS · France5−50 %seen Oct 8
MontpellierMPL · France4−40 %1 bookable
HalifaxYHZ · Canada3−40 %seen Oct 23
MadridMAD · Spain2−50 %seen Nov 6
TorontoYYZ · Canada2−50 %seen Nov 5
TorontoYTZ · Canada2−40 %seen Nov 5
RomeFCO · Italy1−50 %seen Sep 21
BostonBOS · United States1−40 %seen Sep 23
New YorkJFK · United States1−40 %seen Sep 20
OttawaYOW · Canada1−40 %seen Oct 22
WinnipegYWG · Canada1−40 %seen Nov 6
VictoriaYYJ · Canada1−40 %seen Oct 15
ChicagoORD · United States1−30 %seen Oct 5
EdmontonYEG · Canada1−30 %seen Oct 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.