Business analytics can help the airline industry operate more efficiently by identifying potential issues before they become problems. It increases revenue by helping understand customer sentiments to increase bookings. Analytics also enables cost reductions through smart maintenance to avoid lost or damaged baggage and reduce delays. Some international airports have launched apps using big data and analytics to improve the passenger experience in real time. Benefits include better passenger experiences through personalization, boosting ancillary sales, and improved customer support. Examples of analytics include Lufthansa using VR to experience premium seating and United partnering with Amazon Alexa to manage flight experiences.