Delta Airlines' traffic in September 2009, including both Delta and Northwest operations, decreased 5.2% compared to September 2008 on a 6.7% decrease in capacity. Load factor increased 1.4% to 82.6%. Domestic traffic decreased 3.3% year over year on a 3.9% decrease in capacity. Domestic load factor increased 0.5% to 82.0%. International traffic decreased 7.8% year over year on a 10.5% decrease...