Airline upgrade

Flight attendants walk the runway to showcase Trinity Airways' new uniforms at an event in Gangnam District, southern Seoul, on Aug. 6.

Flight attendants walk the runway to showcase Trinity Air's new uniforms, redesigned to mark the airline's rebrand, at an event in Gangnam District, southern Seoul, on Aug. 6.

Flight attendants walk the runway to showcase Trinity Airways' new uniforms, redesigned to mark the airline's rebrand, at an event in Gangnam District, southern Seoul, on Aug. 6.

Trinity Air, formerly T'way Air, unveiled its selective service carrier strategy at the event, a model that cuts unnecessary services and tailors flight offerings to route and travel purpose.