Airlines battle daily to win market share, but they are losing the battle for brand resonance. Airline chief marketing officers (CMOs) must work harder to secure loyal customers and build more solid brands. Forrester' research proves that being trusted, remarkable, unmistakable, and essential (TRUE) drives airline brand resonance and can secure consumer brand preference, referral, and pricing power. This report reveals Forrester's TRUE brand compass results for 10 airline brands and analyzes which dimensions of a TRUE brand are important drivers of a resonant airline brand.