Haneda airport in Tokyo suffered a glitch in its air traffic control system on Tuesday morning, causing flight delays and cancellations, the transport ministry said.The trouble, which occurred at around 5:30 a.m., was traced to a malfunction at a hub in southwestern Japan that consolidates flight information nationwide, the Ministry of Land, Infrastructure, Transport and Tourism said.All departures from Haneda airport were halted for around 15 minutes from 7:15 a.m., with delays continuing even after the ministry switched to a backup system.All Nippon Airways canceled 30 domestic flights, m…READ FULL ARTICLE