OnCabs Flitways Flit Charleston is a seamless pre-booking app. OnCabs Flitways Flit Charleston is the ride booking app to go to when you need to pre-book a ride for Charleston Taxi or Charleston Cab or Charleston Airport Shuttle. Whether you are in Charleston for the weekend or live in Charleston, OnCabs Flitways Flit Charleston is the best Charleston Limo provider in town. We have local, trusted Taxis, Executives Cars, SUVs and Airport Shuttles for Taxi Charleston, Airport Shuttle Charleston.