# Delay at Logan Airport Case Analysis

Submitted By elaine2880
Words 1697
Pages 7
Course: Operation Management
Delays at Logan Airport Problem set Analysis
Problem #1
a. Assume normal, good weather capacity and a 70% passenger load factor. Using the attached Excel exercise, what are the pre plane delay times and operational and passenger delay costs associated with arrival rates of 50 planes per hour, for all three types of planes mentioned? At 55 planes per hour? At 59? | Delay Dollars per person per hour | 70% Load factor | Delay cost per hr | Total Delay Cost / hour | Total Delay Cost / minute | Turboprop | \$25.70 | 13.3 | \$348.00 | \$689.81 | \$11.50 | Regional | \$25.70 | 35 | \$640.00 | \$1,539.50 | \$25.66 | Conventional | \$25.70 | 105 | \$1,585.00 | \$4,283.50 | \$71.39 |

Total Delay Costs per plane | Arrival Rate (Arrivals /hr.) | | 50 | 55 | 59 | Expected Delay (from above) (min) | 6.54 | 12.52 | 60.5 | * 50 planes/hour:
– Turboprop: (6.54/60) * 348 + (6.54/60) * 25.7 *13.33 = \$75.19
– Regional jets: (6.54/60) * 640 + (6.54/60) * 25.7 *35 = \$167.81
– Conventional jets: (6.54/60) * 1585 + (6.54/60) * 25.7 * 105 = \$466.90 * 55 planes/hour:
– Turboprop: (12.52/60) * 348 + (12.52/60) * 25.7 * 13.33 = \$143.94
– Regional jets: (12.52/60) * 640 + (12.52/60) * 25.7 * 35 = \$321.24
– Conventional jets: (12.52/60) * 1585 + (12.52/60) * 25.7 * 105 = \$893.82 * 59 planes/hour:
– Turboprop: (60.5/60) * 348 + (60.5/60) * 25.7 * 13.33 = \$695.56
– Regional jets: (60.5/60) * 640 + (60.5/60) * 25.7 * 35 = \$1552.33
– Conventional jets: (60.5/60) * 1585 + (60.5/60) * 25.7 * 105 = \$4319.20 Total Delay Costs per plane | Arrival Rate (Arrivals/Hr.) | | 50 | 55 | 59 | Expected Delay (from above) (min) | 6.54 | 12.52 | 60.5 | Turboprop | \$75.19 | \$143.94 | \$695.56 | Regional | \$167.81 | \$321.24 | \$1,552.33 | Conventional | \$466.90 | \$893.82 | \$4,319.20 |

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