But that can take time, analysts say, since airlines must manually override automated systems that raise fares in the case of higher demand. Here is a look at how airlines deal with a sudden surge in demand on a particular route. DISASTERS VERSUS HIGH DEMANDAirlines set a range of ticket prices based on factors like purchase timing and demand. They then allocate seats to each fare, explained Chris Amenechi, founder of startup SeatCash, which offers subscribers a product that predicts future flight prices. Travel site Expedia Group (EXPE.O) said air partners set flight prices and availability on its site.

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Persons: Chris Helgren, Chris Amenechi, ”, Amenechi, Robert Mann, Mann, Allison Lampert, Doyinsola, Denny Thomas, Josie Kao Organizations: REUTERS, Air Canada, HIGH, CAP, Air, Expedia, Airlines, WestJet Airlines, U.S, Amtrak, Thomson Locations: Okanagan, West Kelowna, British Columbia, Canada, Yellowknife, Air Canada, Calgary, Maui, Honolulu, U.S, Washington, New York