Tripadvisor quietly discontinued SeatGuru last year. Here we rate five of the most popular alternatives, from one with interactive videos, to a site powered by AI Sign up to Simon Calder’s free travel email for expert advice and money-saving discounts Get Simon Calder’s Travel email Get Simon Calder’s Travel email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice For years, SeatGuru was the go-to website for passengers who