Blackout Flight & Hub Hop Golf: daily travel puzzles

Where the puzzles come from

Every route comes from the airports' Wikipedia "Airlines and destinations" tables. Flight times are estimated from great-circle distance. Sun position is calculated for the actual date, time and place of take-off. No clue is written by hand or by AI. Route data: Wikipedia contributors, CC BY-SA 4.0. City names: OpenFlights (ODbL). Coastlines: Natural Earth.