Method and system for performing travel assistance for a user

A method and a system for performing travel assistance for a user are proposed, the method comprising providing travel route data indicative of a travel route of the user, receiving, while the user travels along the travel route on a current travel route segment, information indicative of a position of the user; estimating or determining, while the user travels along the travel route on the current travel route segment, an estimated/determined arrival time at a travel route segment start location of a next travel route segment of the travel route, on the basis of the received signal and the provided travel route data; determining one or more alternative travel route segments, if the estimated or determined arrival time at the travel route segment start location of the next travel route segment is later than a travel route segment start time of the next travel route segment; and providing updated travel route data indicative of the determined one or more alternative travel route segments.