Boeing 717-200 Southwest Airlines (Polygon mesh 3D model) is available on CGTrader for $89. Original author: Dreamscape. Specs: 40068 polys, 20935 verts.
OBJ (OBJ, filesize: 1.3 MB), 3DS (3D Studio, filesize: 243 KB), MAX (Autodesk 3ds Max, filesize: 298 KB), LWO (Lightwave, filesize: 258 KB), DWG (AutoCAD, filesize: 589 KB), DXF (DXF, filesize: 644 KB), TEXTURES (Textures, filesize: 3.25 MB), OTHER (Other, filesize: 913 KB)