
Southwest Airlines is moving away from its aging Boeing 737 NG fleet, planning to retire these older aircraft due to their lack of modern amenities—such as power outlets, updated interiors, and quieter cabins—and operational inefficiencies. The push comes as the airline transitions to an all-737 MAX fleet, aiming to streamline its operations, reduce maintenance complexity, and offer a more consistent passenger experience. While the NGs served reliably for years, Southwest’s strategy now focuses on more fuel-efficient, passenger-friendly aircraft better suited to its evolving network.