pfm sl 121.pdf - ATM Seminar

Cancellation model calibration:Carrier specificityExtrapolate from historical trends– Not good when studying new entrants or significant changesin carrier occupancy at an airportCancellations commensurate with scheduled demand– Does not capture any sense of carrier policy towardscancellationNon-unitary model of cancellation propensity as a functionof demand proportion– i.e., historically, when a carrier represents x% of the schedule,it tends to represent y% of the cancellations– Determine y as a function of xAll of these are ideas for apportioning cancellations amongcarriers after the aggregate numbers have been predicted9