How many seats does the A321 NEO aircraft accommodate?

The A321 NEO aircraft can accommodate up to 240 seats in a high-density configuration, which is designed to maximize passenger capacity. This variation of the aircraft is primarily used for short to medium-haul flights, where maximizing the number of seats is advantageous for airlines. The A321 NEO incorporates advanced engine technology and aerodynamic improvements over its predecessors, contributing to better fuel efficiency and performance, making it a popular choice for airlines looking to optimize their fleet for increased capacity. Understanding this capacity is essential for airlines when planning routes, scheduling flights, and managing their overall operational efficiency.

The other choices do not represent the maximum seating capacity of the A321 NEO in a high-density configuration, which is critical information when focusing on the aircraft's operational capabilities.