Frontier Airlines has seized the moment to position itself as the airline offering free checked bags at a time when Southwest is moving in the opposite direction. By launching a strategic promotion that directly targets Southwest’s customer base, Frontier is making a bold play to attract new passengers and differentiate itself in the market.

Frontier and American Airlines have rushed forward with new deals, in the wake of Southwest Airlines' controversial decision to eliminate the popular free checked bag perk. The offers come after Southwest Airlines announced in a March 11,