The KLM Royal Dutch Airlines Company has given the passengers the ability to book their seat online. With this new service, passengers can book their seat 90 day before their flight. For this autumn, it will be possible to book seats with more seat pitch up to 90 days before departure. With KLM Airlines seat configuration allow you to book a seat with seat pitch for a greater comfort. KLM Airlines seat pitch passengers can reserve a seat with seat pitch or one in a row of only two seats when you check-in online or at a self-service check-in or transfer machine at Amsterdam Airport Schiphol. Passengers can get full access with our in-flight service anytime they wish to have any particular need or demand onboard.
Source: KLM Airlines