The Airline Blog: Create a flight map of your travels
Open-source airline route maps from 1999 and 2018 created using Python and BTS data (see corresponding comment for clarifications + GitHub link) [OC] : r/dataisbeautiful
The Airline Blog: Create a flight map of your travels
How To Make Flight Maps - One Mile at a Time
RouteFinder (free access area)
Flight Airlines Map
FlightPath3D | We Are Maps. Any Device. Any Platform.