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A unified mathematical program for both short\u2010 and long\u2010term problems under uncertainties is proposed. Demands are modeled using a probability distribution as in the stochastic program, whereas flight travel times belong to an uncertainty set as in robust optimization. In the first stage, the allotments are determined. In the second stage, the shipment demand materializes but the travel time is still unknown, the forwarder determines the daily allocation among flights, given the first\u2010stage allotment. The objective is to minimize the expected total cost in the two stages. 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