Delta Air Lines reported system traffic in April 2010 decreased 2.2 percent compared to April 2009 on a 4.1 percent decrease in capacity. Load factor increased 1.6 points to 83.0 percent. Domestic traffic increased 0.3 percent year over year on a 1 percent decrease in capacity.

Southwest Airlines said that it flew 6.5 billion revenue passenger miles (RPMs) in April 2010, a 0.6 percent decrease from the RPMs flown in April 2009. Available seat miles (ASMs) decreased 2.9 percent to 8.2 billion from the April 2009 level of 8.5 billion.

Expedia, Inc., reported its first-quarter results, saying that it earned $59.4 million, or 20 cents per share, for the quarter. That’s up from $39.4 million, or 14 cents per share, in the same quarter last year, an increase of 50.8 percent.

Starwood Hotels & Resorts Worldwide, Inc. reported income from continuing operations for the first quarter of $0.16 per share compared to $0.04 in the first quarter of 2009. Excluding special items, which net to a benefit of $6 million in 2010 and a charge of $18 million in 2009, EPS from continuing operations was $0.13 for the first quarter of 2010 compared to $0.15 in the first quarter of 2009. Excluding special items, the effective income tax rate in the first quarter of 2010 was 14.5 percent compared to 17.8 percent in the same period of 2009.

Marriott International, Inc. today reported first quarter 2010 results, exceeding its revenue per available room (RevPAR) and diluted earnings per share (EPS) expectations. Reported net income was $83 million in the first quarter compared to a reported net loss of $23 million in the year-ago quarter. Reported diluted EPS was $0.22 in the first quarter of 2010 compared to reported diluted losses per share of $0.06 in the first quarter of 2009.

Southwest Airlines reported a slim first quarter 2010 net income of $11 million compared to a net loss of $91 million, or $.12 loss per diluted share, for first quarter 2009. Excluding special items for both periods, first quarter 2010 net income was $24 million, or $.03 per diluted share, compared to a net loss of $20 million, or $.03 loss per diluted share, in first quarter 2009.