A method, apparatus, system, and computer program product for planning multimodal travel. A planning request for the multimodal travel from a first location to an second location is received. Candidate routes are determined for a passenger that is customized for a set of customization parameters a using the first location, the second location, and a set of passenger preferences. A candidate route in the candidate routes comprises a first leg from the first location to a first vertiport via a first modality, a second leg for a passenger air vehicle to travel from the first vertiport to a second vertiport using an air modality, and a third leg from the second vertiport to the second location using a second modality. The candidate route in the candidate routes is selected to form a route for the multimodal travel for the passenger when a user input is received selecting the candidate route.