1. Inclement weather reduces airport capacity. 2. Airlines cannot operate their nominal schedule when airport capacity is reduced. 3. Airlines must simultaneously adjust (a.k.a. "juggle") the following four elements during the "schedule recovery" process... 3.1 Flight Times 3.2 Aircraft Routings 3.3 Crew Pairings and Rosters 3.4 Passenger Itineraries.
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