Swiss International Air Lines transported 3,609,038 passengers in the first three months of 2012 – a 5.1% increase on the 3,432,658 it had carried for the first quarter of last year. The airline operated a total of 37,391 flights in the period, 1.2% more than the 36,956 of January-to-March 2011. Of these, 33,203 were on SWISS’s European network (up 0.9%) while 4,188 were on intercontinental routes (up...