Mutual - yellow, Traveller 1 airport(s) (('SFO',)) destinations only - blue, Traveller 2 airport(s) (('LGA', 'JFK')) destinations only - red.
In the above map, desinations which can be flown to by both travellers for their given airports (see below) are shown in yellow (hover over a point to see exactly which airports). Destinations for which can only be flown to by traveller 1 are shown in blue, and destinations which only traveller 2 can fly to are shown in red.
