Complex sentence: Scheduled airlines include the new Olympic Air, Aegean Airlines and Athens Airways, with chartered flights from other airlines during the summer, and transportation to and from the air terminal is through buses, taxis, hotel car-pickups and rental cars.
Split into simpler sentences: Scheduled airlines include the new Olympic Air, Aegean Airlines and Athens Airways, with chartered flights from other airlines during the summer. Transportation to and from the air terminal is through buses, taxis, hotel car-pickups and rental cars.