How many passenger seats are available on the 700 aircraft?

The correct number of passenger seats available on the 700 aircraft is 143. This seating configuration is specifically designed to maximize efficiency while balancing passenger comfort. In the case of Southwest Airlines' 700 model, the seating arrangement typically includes a single-class layout which allows for an optimal number of seats to be offered without compromising legroom. The design is part of the airline's strategy to streamline boarding and enhance the overall travel experience for passengers. This consideration reflects Southwest's operational model as a low-cost carrier, where efficient use of space directly contributes to maintaining profitability while serving a high volume of travelers.