Looks similar to a paper version of a United Mobile boarding pass:
<a href="http:&#x2F;&#x2F;pointsmilesandmartinis.boardingarea.com&#x2F;wp-content&#x2F;uploads&#x2F;2013&#x2F;11&#x2F;screen568x568-2.jpeg" rel="nofollow">http:&#x2F;&#x2F;pointsmilesandmartinis.boardingarea.com&#x2F;wp-content&#x2F;up...</a><p>Still, an improvement... I always assumed the form factor was driven by the ticket printers installed for the airport gate agents.