With the Spring Festival travel rush expected to peak starting this weekend, a report based on data of online train-ticket sales showed that people traveling to Hainan province have the most difficulties purchasing a ticket.

The report, released by 360 Technology Co, said that the findings are based on data collected through its browser plug-in that helps users buy train tickets online.

Using the data - which includes the success rate of buying train tickets; the length of time to be spent traveling; and the percentage of people without seats among the total number of train passengers - the report published an index showing how difficult it is to get home by train ahead of the holiday.