JetBlue Airways A321neo

The newer engine technology does reduce inflight noise somewhat, and the composite materials dampen vibration — most passengers describe it as marginally quieter, though the difference is subtle rather than dramatic.

EvenMore Space rows — typically the exit rows and selected bulkheads at the front of the economy section — offer the most legroom. Exit rows restrict recline in exchange for that space, which is worth knowing before you book.

Overhead space fills from the front of economy backwards. Boarding later in the sequence — as happens in the rear Core rows — means bins near your seat may already be claimed. EvenMore passengers board earlier, which is a practical advantage beyond the legroom.