In the past decade, major airlines in the U.S. have moved from banked hub-and-spoke operations to de-banked hub-and-spoke operations to lower operating costs. In [1], it is shown that dynamic airline scheduling, an approach that makes minor adjustments to flight schedules in the booking period by re-fleeting and re-timing flight legs, can significantly improve utilization of capacity and hence ...

We propose, optimize and validate a methodological framework for estimating the extent of the crewpropagated delays and disruptions (CPDD). We identify the factors that influence the extent of the CPDD, and incorporate them into a robust crew scheduling model. We develop a fast heuristic approach for solving the inverse of this robust crew scheduling problem to generate crew schedules that are ...

Airline schedule development continues to remain one of the most challenging planning activity for any airline. An airline schedule comprises of a list of flights and specifies the origin, destination, scheduled departure, and arrival time of each flight in the airline’s network. A critical component of the schedule development activity is the choice of flight block-times, which depend on sever...

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The airline industry is notably one of the success stories with respect to the use of optimization based methods and tools in planning. Both in planning of the assignment of available aircraft to flights and in crew scheduling, these methods play a

The purpose of the research discussed in this thesis was to assess the effects of considering airline preferences in runway operations scheduling. This was motivated by the congestion and delays that regularly occur in the air traffic system. Delays cause both cost and inconvenience to airlines and their passengers. Airborne delays increase fuel cost. Delays can cause infeasibility to crew and ...

The problem of airline crew scheduling is studied, the different problems composing it are formulated and solution techniques are offered. Special emphasis is given to the set covering problem appearing in the rotation selection phase. An approach is presented, based on the group theoretic method, which allows the fast solution of problems with large sizes. Thesis Supervisor: Robert W. Simpson ...

This paper introduces a probabilistic model for airline reserve crew scheduling. The model can be applied to any schedules which consist of a stream of departures from a single airport. We assume that reserve crew demand can be captured by an independent probability of crew absence for each departure. The aim of our model is to assign some fixed number of available reserve crew in such a way th...

A Potts feedback neural network approach for finding good solutions to resource allocation problems with a non-fixed topology is presented. As a target application the airline crew scheduling problem is chosen. The topological complication is handled by means of a propagator defined in terms of Potts neurons. The approach is tested on artificial random problems tuned to resemble realworld condi...