Springbok captain Siya Kolisi, vice-captain Handre Pollard and birthday boy, coach Rassie Erasmus, have been delayed in Sydney and will arrive at OR Tambo International Airport later than expected.
They were due to arrive at approximately 4:30PM but their estimated time of arrival is now at 7PM on Tuesday.
They will address a news conference once they have cleared customs.
However, other members of the Rugby World Cup winning squad are still expected to arrive at around 4:30PM.
They include World Player of the Year, Pieter-Steph du Toit, the man-of-the-match in the final Duanne Vermeulen as well as try scorers, Makazole Mapimpi and Cheslin Kolbe.
They too will address a news conference once they have cleared customs.