Jet Route is a term used to describe the path of an aircraft, usually a jet, from one destination to another. The two crossword solutions for this term are LANE (4 letters) and AIRWAY (6 letters). LANE is a term used to describe a narrow road or path, while AIRWAY is a term used to describe a route in the air, usually for commercial aircraft. Together, these two words form the term Jet Route, which is the path taken by a jet from one destination to another.