404. That’s an error.
The requested URL /destination?q=stornoway&num=100&rlz=1C1JZAP_enGB728GB728&site=search&output=search&dest_mid=/m/02l6bt&sa=X&ved=2ahUKEwiy5qH_7tPdAhUCC8AKHQXJCEcQri4wdnoECA4QKg
was not found on this server. That’s all we know.