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 Houston 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.
AtlantaATL · United States25−50 %2 bookable
Fort LauderdaleFLL · United States24−50 %2 bookable
WashingtonIAD · United States24−50 %1 bookable
MiamiMIA · United States23−50 %1 bookable
Las VegasLAS · United States20−50 %seen Nov 5
OrlandoMCO · United States18−50 %seen Nov 2
PhoenixPHX · United States16−50 %seen Nov 7
San DiegoSAN · United States16−50 %seen Nov 7
San FranciscoSFO · United States15−50 %seen Nov 6
PhiladelphiaPHL · United States14−40 %seen Nov 7
DallasDFW · United States12−30 %seen Nov 8
DenverDEN · United States9−50 %seen Oct 28
Los AngelesLAX · United States9−50 %seen Oct 28
NewarkEWR · United States7−40 %seen Oct 28
SeattleSEA · United States7−30 %seen Oct 31
KelownaYLW · Canada6−30 %seen Nov 3
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.