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CDM GDPE Prototype Operations Review

CDM Meeting August 4, 1999. CDM GDPE Prototype Operations Review. Metron, Inc. Overview. Prototype Operations Review and GDP Statistics Compression Benefits by Airport Jan. 20, 1998 - Jul. 15, 1999 Compression Benefits by Airline Sep. 8, 1998 - Jul. 15, 1999

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CDM GDPE Prototype Operations Review

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  1. CDM Meeting August 4, 1999 CDM GDPE Prototype Operations Review Metron, Inc.

  2. Overview • Prototype Operations Review and GDP Statistics • Compression Benefits by Airport • Jan. 20, 1998 - Jul. 15, 1999 • Compression Benefits by Airline • Sep. 8, 1998 - Jul. 15, 1999 • Delay Reduction Distributions • Mar. 18, 1999 - Jul. 15, 1999 • Planned vs. Actual Scheduled Compression Benefits • Apr. 1 - Jun. 30, 1999 CDM Prototype Operations Review

  3. GDP Counts Trend CDM Prototype Operations Review

  4. Cumulative GDP Counts Trend CDM Prototype Operations Review

  5. GDP Trends by Airport CDM Prototype Operations Review

  6. GDP Statistics over 9 Months CDM Prototype Operations Review

  7. Average Hours per GDP CDM Prototype Operations Review

  8. Hourly Rate of Compressing GDPs CDM Prototype Operations Review

  9. Hourly Rate of Compression Minutes Saved during GDPs CDM Prototype Operations Review

  10. Rate of Compression Minutes Saved per Compression Cycle CDM Prototype Operations Review

  11. Compression BenefitsJan. 20, 1998 - Jul. 15, 1999 CDM Prototype Operations Review

  12. Compression Benefits TrendJan. 20, 1998 - Jul. 15, 1999 CDM Prototype Operations Review

  13. Compression Benefits MilestonesJan. 20, 1998 - Jul. 15, 1999 CDM Prototype Operations Review

  14. Compression Benefits by AOC • Time Period: • September 8, 1998 - Jul. 15, 1999 • 1091 Compression Cycles: • Non-CDM participants compressed starting October 13th • AWE, MEP, FDX new participants in February 1999 CDM Prototype Operations Review

  15. Compression Benefits by Airport and AOC (Sep. 8, 1998 - Jul. 15, 1999) 2,833,730 total minutes reduced due to compression Average of 63,987/week and 9,141/day * AWE MEP: participants starting Feb. 1 FDX: participant starting Feb. 16 CDM Prototype Operations Review

  16. Delay Reduction Distributions Due to Compression • Data Included in Analysis: • All compression from Mar. 18 - Jul. 15, 1999 (521 compression cycles in 190 GDPs) • 96,603 flights included • 1,105,012 total minutes reduced CDM Prototype Operations Review

  17. Delay Reduction Distributions Due to Compression - Results • Resulting Statistics: • Average reduction: 11.5 minutes • Median reduction: 2 minutes • Percentiles: • Reductions 15 minutes or greater: 19% • Reductions 30 minutes or greater: 11% • Reductions 45 minutes or greater: 5% • Reductions 60 minutes or greater: 5% CDM Prototype Operations Review

  18. Delay Reduction Distributions Due to Compression - Histogram CDM Prototype Operations Review

  19. Flight Delay Assignment History Example CDM Prototype Operations Review

  20. Actual Scheduled Compression Benefits Methodology • All flights which were later revised prior to departure were removed • All flights which never flew were removed CDM Prototype Operations Review

  21. Actual Scheduled Compression Benefits Results • Data Set Used: • Apr. 1 - Jun. 30, 1999 • 264 GDPs • 415 RBS++ and 258 Compressions • 93,169 flights affected • Results: CDM Prototype Operations Review

  22. Graph of Cumulative vs. Actual by Month CDM Prototype Operations Review

  23. Graph of Actual as a Percent of Cumulative CDM Prototype Operations Review

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