Explainer · airlinesSouthwest Has Assigned Seats Now. Here’s What Changed
The airline ended open seating in January. Today’s search surge is about how seat selection, boarding order and fare choices now fit together.
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The systems that connect production to demand.
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Why Resilient Supply Chains Cost More
Redundancy reduces dependence, but duplicate suppliers, inventory and capacity all carry a price.
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Demand is only the opening question. Aircraft, slots, crews, competition and connection banks determine whether a route can work.
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Explainer · routesWhat Fifth-Freedom Flights Mean for Travelers
A foreign airline can carry passengers between two countries beyond its home market—but only when governments permit it.
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