The Zacks Airline industry has been benefiting from buoyant air travel demand, both on the domestic as well as international front. Upbeat passenger volumes have always been acting as a tailwind. Higher bookings contribute to the airlines’ top-line performance. While air travel demand is particularly strong on the leisure front, business travel has also made an encouraging comeback.Partly due to these tailwinds, we believe the Zacks Airline industry has risen 13.5% so far this year, outperforming the 2.9% d ...