2011-present: Further expansion
Since 2011 more airlines have joined, and others have left due to their collapse or restructuring. In August 2011, after several delays, Air India was rejected for membership when it did not meet alliance requirements. On 13 December 2011 Ethiopian Airlines joined, adding five countries and 24 destinations to the alliance's map.
Star Alliance had a tumultuous 2012, with Spanair leaving early in the year when the carrier ceased operations. In early March Continental merged with United Airlines, ending its membership in the alliance. BMI left on 20 April after its acquisition by International Airlines Group (IAG), parent company of Oneworld members Iberia and British Airways. On 21 June Avianca, TACA Airlines and Copa Airlines joined the alliance, increasing its Latin American presence. In November Blue1 left the alliance, becoming an affiliate of parentScandinavian Airlines. Shenzhen Airlines joined on 29 November, augmenting Air China's Chinese network.
On 8 March 2013, TAM Airlines announced its departure due to its merger with LAN Airlines to become LATAM Airlines Group. With the addition of EVA Air on 18 June and TACA's integration into Avianca, the alliance now had 28 members and was the largest of the three major airline alliances. On 13 December, Air India was again invited to begin an integration process with Star Alliance. On 31 March 2014 TAM Airlines moved to Oneworld, and US Airways and an American Airlines affiliate also left the alliance. That day,Avianca Brazil announced that it would join Star Alliance in 2014 as an affiliate of Avianca. After TAM Airlines and US Airways left, the alliance had 26 members. On 24 June Air Indiawas approved, joining the alliance on 11 July. Avianca Brazil finally joined the alliance on 22 July 2015.