The present invention is a method and system to assist people traveling together through a transport hub from a current location to a destination location using a smart portable personal computing devices which provide personal data, travel data and transport hub data. The method provides for sub-groups of traveler's having common travel preferences, and it maps routes according to those preferences for the group members to travel through the transport hub together. Continuous monitoring of values provides an alert on each sub-group member's personal computing device when the personal data, travel data, transport hub data, or predetermined parameters change.