# Essay on Logan Airport

4389 Words Jun 13th, 2012 18 Pages
Executive Summary 2 Introduction 3 Causes of Delay 3 Assumptions and Facts 4 Alternative 1: Regional Solution 5 Alternative 2: New Runway 14/32 7 Alternative 3: Peak-Period Pricing 10 Alternative 4: New Runway and Peak-Period Pricing 12 Recommendation & Conclusion 13 References 14

Executive Summary
This report aims to analyze and attempt to reduce Logan airport’s delay problem in the year 2000. The airport was experiencing unacceptable numbers of delays due to three main problems: 1) Weather conditions, 2) Mix of aircrafts, and 3) Overscheduling. Under normal weather, the three-runway configuration is sufficient to handle incoming and outgoing planes. However, the delay problem at Logan is the most acute during
Each aircraft will exit the process as soon as they are served. Therefore, there is no output buffer. In long run, we assume that the system is stable so that all planes can eventually be served. We assume that there is no limit on wait room capacity; thereby no plane is “blocked” out from the system. Moreover, there is no abandonment in the system, which means that every planes waited in line will eventually takeoff or land at the airport, and no planes will get so frustrated with waiting that they leaves the processing system.
Furthermore, operation capacity at Logan Airport in 2000 was 120 operations per hour under normal weather conditions, and 3-runway configuration is used under normal weather conditions. Assuming that each runway has the same capacity, which is 40 operations per hour, thereby the average processing time per runway is 1/40*60 = 1.5 minutes.
Based on the numbers given in the case, annual operation at the airport was projected to be 510,000 to 656,000 in 2015. For analysis purposes, we take the average of the projected demand for 2015, which is (510,000 + 656,000) ÷ 2 = 583,000, and calculate average operations per hour to be 66.55. For comparison purposes, we decided to use the data from the august weekday operation pattern for 2000, because it was given in the case in greater detail.

Table 1.1 Demand Patterns in August 2000 Period | Inflow Rate (Ri) | Outflow Rate (Rp)** | Buildup Rate | Utilization | 12am-4am | 15 | 160 | 0

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