22-year-old Langkilde was charged in July with battery, assault and misdemeanour following an off-field altercation with Welsh players at the Sevens World Cup in San Francisco.
Last week his hearing was delayed for a second time and it is now approaching two months since he initially arrived in the US.
Samoa's team manager Peter Poulos has stayed with Langkilde over the past few weeks and the SRU 's Zane Hilton said they were trying to keep the lines of communication between the player and his family, over 7,000 kilometres away, open.