15 – 1Copyright © 2017 Pearson Education, Inc.
PowerPoint presentation to accompany
Heizer, Render, Munson
Operations Management, Twelfth Edition
Principles of Operations Management, Tenth Edition
PowerPoint slides by Jeff Heyl
Short-Term
Scheduling 15
15 – 2Copyright © 2017 Pearson Education, Inc.
Outline
►Global Company Profile:
Alaska Airlines
►The Importance of Short-Term
Scheduling
►Scheduling Issues
►Scheduling Process-Focused
Facilities
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Outline – Continued
►Loading Jobs
►Sequencing Jobs
►Finite Capacity Scheduling (FCS)
►Scheduling Services
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Scheduling Flights
►Alaska Airlines scheduling a major
contributor to Seattle–Tacoma International
Airport top ranking
►Schedule changes create a ripple effect for
passengers and airports
►Latest technology to reduce cancellations
and delays saves $18 million/year
►Mathematical scheduling models to
develop alternate schedules and routes
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Learning Objectives
When you complete this chapter you
should be able to:
15.1 Explain the relationship between
short-term scheduling, capacity
planning, aggregate planning, and a
master schedule
15.2 Draw Gantt loading and scheduling
charts
15.3 Apply the assignment method for
loading jobs
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When you complete this chapter you
should be able to:
Learning Objectives
15.4 Name and describe each of the
priority sequencing rules
15.5 Use Johnson’s rule
15.6 Define finite capacity scheduling
15.7 Use the cyclical scheduling
technique
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Short-Term Scheduling
The objective of scheduling is to
allocate and prioritize demand
(generated by either forecasts or
customer orders) to available
facilities
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Importance of Short-Term
Scheduling
▶Effective and efficient scheduling can be a
competitive advantage
▶Faster movement of goods through a facility
means better use of assets and lower costs
▶Additional capacity resulting from faster
throughput improves customer service
through faster delivery
▶Good schedules result in more dependable
deliveries
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Scheduling Decisions
TABLE 15.1 Scheduling Decisions
ORGANIZATION MANAGERS SCHEDULE THE FOLLOWING
Alaska Airlines Maintenance of aircraft
Departure timetables
Flight crews, catering, gate, ticketing personnel
Arnold Palmer Hospital Operating room use
Patient admissions
Nursing, security, maintenance staffs
Outpatient treatments
University of Alabama Classrooms and audiovisual equipment
Student and instructor schedules
Graduate and undergraduate courses
Amway Center Ushers, ticket takers, food servers, security personnel
Delivery of fresh foods and meal preparation
Orlando Magic games, concerts, arena football
Lockheed Martin
Factory Production of goods
Purchases of materials
Workers
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Scheduling Issues
▶Scheduling deals with the timing of
operations
▶The task is the allocation and prioritization
of demand
▶Significant factors are
1) Forward or backward scheduling
2) Finite or infinite loading
3) The criteria for sequencing jobs
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Figure 15.1
Scheduling
Flow
Forward and Backward
Scheduling
▶Forward scheduling starts as soon as the
requirements are known
▶Produces a feasible schedule though it
