Investor Presentaiton

Investing in Operational Excellence About 8,500 fewer flights cancelled annually 98.6% Completion Factor 99.0% 99.6% ▲ DELTA On-time arrival rate up 9.5 points On-Time Arrival Rate 85.9% 81.6% 76.4% 2Q/3Q 10 2Q/3Q 11 2Q/3Q 12 • Fleet-targeted bases concentrating maintenance on fleet types • Optimized maintenance planning • Increased station parts allocation compliance 2Q/3Q 10 2Q/3Q 11 2Q/3Q 12 • Aircraft turn process improvement - D-35 and D-3 focus Efficient pushback process • Focus on traffic flow and gate utilization • Fleet-specific reliability projects YTD 2012 No. 1 in DOT Completion and On-Time among network carriers 27

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