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 Charleston 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.
OrlandoMCO · United States18−40 %seen Nov 7
Los AngelesLAX · United States13−40 %1 bookable
MinneapolisMSP · United States8−50 %seen Oct 30
San FranciscoSFO · United States8−50 %seen Nov 4
San DiegoSAN · United States8−40 %seen Oct 27
Fort LauderdaleFLL · United States8−30 %seen Oct 28
WashingtonIAD · United States7−40 %seen Nov 1
HoustonIAH · United States5−40 %seen Oct 29
BostonBOS · United States5−30 %seen Oct 10
AtlantaATL · United States4−30 %seen Oct 19
DenverDEN · United States4−30 %seen Sep 25
New YorkJFK · United States3−20 %seen Sep 25
ChicagoORD · United States3−20 %seen Oct 31
MiamiMIA · United States1−50 %seen Oct 28
PhiladelphiaPHL · United States1−30 %seen Oct 15
SeattleSEA · United States1−30 %seen Oct 5
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.