t'way Air (TW, Daegu) will begin operating as Trinity Airways on September 10, 2026, after completing domestic and overseas procedures for the rebranding. The carrier's "TW" IATA code, flight numbers, schedules, and existing bookings will remain unchanged. Its website, mobile app, and airport check-in counters will also switch to the Trinity Airways brand on September 10. Aircraft will be repainted with Trinity Airways branding gradually from that month.