NEW YORK (S&P Global Ratings) March 27, 2019--S&P Global Ratings today raised its issue-level ratings on four enhanced equipment trust certificates (EETC) of United Airlines Inc. We raised our ratings on the Continental Airlines Holdings Inc. (since merged into United) 2001-1 Class A-1 and 2010-1 Class A EETCs to 'A+ (sf)' from 'A (sf)'. We also raised United's 2014-2 Class A certificates to 'A+ (sf)' from 'A (sf)' and the 2015-1 Class AA to 'AA+ (sf)' from 'AA (sf)'. We removed the 'UCO' (under criteria observation) subscript from all the ratings. The upgrades are based on application of recently implemented "Counterparty Risk Framework: Methodology And Assumptions" (published March 8, 2019) criteria. Under the new criteria, the rating on a liquidity