A number of airlines unveiled new liveries this week . U.S. Airways Southwest Airlines will now have a colorful heart on their underside . While usually , according to Clark , airline liveries have a shelf life of 20 years or so , there 's been a recent spate of aircraft redesigns . Many airlines in Pacific Northwest riff off local design and artwork for updated designs . Changing an airline 's livery is huge marketing opportunity .
A number of airlines unveiled new liveries this week . U.S. Airways Southwest Airlines will now have a colorful heart on their underside . Many airlines in Pacific Northwest riff off local design and artwork for updated designs . Changing an airline 's livery is huge marketing opportunity .