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 Halifax 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.
WaterlooYKF · Canada27−40 %1 bookable
LondonLHR · United Kingdom16−30 %seen Oct 29
Quebec CityYQB · Canada14−40 %2 bookable
EdmontonYEG · Canada10−50 %seen Nov 1
AbbotsfordYXX · Canada9−50 %1 bookable
VancouverYVR · Canada8−40 %seen Oct 23
WinnipegYWG · Canada8−30 %seen Oct 31
TorontoYTZ · Canada8−20 %seen Oct 1
SaskatoonYXE · Canada5−50 %seen Nov 5
ReginaYQR · Canada5−20 %1 bookable
San DiegoSAN · United States4−40 %seen Oct 3
VictoriaYYJ · Canada4−40 %seen Nov 5
CalgaryYYC · Canada4−30 %seen Oct 28
SeattleSEA · United States3−40 %1 bookable
HamiltonYHM · Canada3−20 %seen Sep 28
LisbonLIS · Portugal2−50 %seen Sep 27
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.