(ShareCast News) - British Airways and Iberia parent International Consolidated Airlines Group's traffic and load factor rose in January. Group traffic, measured in revenue passenger kilometres, was up 11.9% year-on-year to 17.3m, while the load factor, which gauges how many seats were taken up on flights, rose to 78.7% from 77%.Group capacity measured in available seat kilometres grew 9.4% while group premium traffic for January increased 2.1%.In addition, the company said British Airways will resume direct flights to Tehran in Iran from 14 July onward.The route will launch as a six-per-week service before moving to daily flights from winter 2016.At 1535 GMT, IAG shares were down 3.8% to 520.50p.