Synonyms of 'airline'

aeronautics, airway, air lane, air route, air service, astronautics, aviation, axis, beeline, chord, corridor, cut, cutoff, diagonal, diameter, directrix, edge, flight, flying, lane, normal, path, perpendicular, pilotage, radius, sailing, secant, segment, shortcut, side, soaring, straight, straightaway, streamline, tangent, transversal, vector