United Airlines is introducing a new option for passengers who want extra space by charging a premium to keep the middle seat empty in certain rows on its Airbus A321XLR planes. These seats, located in the roomier Economy Plus section, will feature an unoccupied middle seat with a shared tray table for the aisle and window passengers. The airline plans to start selling these seats later this year, although the exact pricing has not yet been announced. This practice is commonly seen in European airlines, often marketed as short-haul business class.

This move fits into a broader trend among airlines to unbundle services and offer new ways to upsell customers with added perks or exclusive options. United could expand this offering to other aircraft types beyond the current long-range narrow-body planes in the future. The initiative highlights how carriers are adapting to a market where passengers increasingly seek customized travel experiences, even for economy cabin passengers.

Other airlines are following similar strategies to capture additional revenue. For example, Delta Air Lines recently introduced basic business-class fares that eliminate some traditional perks, such as lounge access and seat selection, which were previously included. These adjustments reflect an industry-wide shift to segment product offerings more finely and generate incremental income by selling value-added services.

United is also innovating with a “Relax Row” on some wide-body aircraft, featuring economy seats that convert into beds. Airlines have been expanding premium-class cabins for years due to stronger demand, but these elaborate seat designs have contributed to delays in the delivery of new aircraft. United’s new upsell options underline the evolving landscape of airline seating and the growing emphasis on flexibility and passenger comfort as sources of additional revenue.