One Two Three Airlines, branded as OTT Airlines, was a Chinese airline, headquartered in Shanghai and focused on the Yangtze Delta region. It was launched as a subsidiary of China Eastern Airlines in February 2020 and was merged into China Eastern Airlines in September 2024.
Name
The name "One Two Three Airlines" refers to Chinese philosopher Laozi's three principles of Daoism.
History
On 26 February 2020, China Eastern Airlines launched OTT Airlines as a subsidiary to operate Chinese-domestically produced aircraft, in addition to its existing business jet operations.[2][3] It was originally scheduled to be the first airline to operate the COMAC C919, beginning in 2022.[2]