If you seek a convenient door-to-door transfer between Krakow and Warsaw we are at your service. The direct transfer takes about 4 hours, which may turn out more convenient than taking a flight, as you will avoid airport transfers and boarding.
The route is in 50% on highways.
Optionally you can turn your shuttle service into a sightseeing trip by stopping at some attractions located along the route, which could be eg. the Black Madonna Monastery in Czestochowa.