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 Champaign 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.
DenverDEN · United States5−50 %1 bookable
NewarkEWR · United States4−40 %seen Oct 12
HoustonIAH · United States4−40 %seen Oct 13
PhiladelphiaPHL · United States4−40 %seen Oct 11
OrlandoMCO · United States1−50 %seen Nov 6
BostonBOS · United States1−40 %seen Oct 12
ChicagoORD · United States1−40 %seen Nov 6
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.