Summer travel could be disrupted for millions of airline passengers as airlines pass on higher jet fuel prices onto air fares and cancel unprofitable routes, according to the global association Airports Council International. The surge in jet fuel prices as a result of the Middle East crisis leads to higher air fares. Passengers should be prepared for higher ticket prices for longer, Stefano Baronci, the Airports Council International’s director general of Asia Pacific and Middle East, told Bloomberg in an interview published on Wednesday. …