Google The Web Google Flights launches 'Price Guarantee' program, will refund the difference if ticket prices drop Book your tickets with confidence By Cohen Coberly, August 8, 2019, 2:49 PM 8 comments
Google Mobile Google Flights can now predict delays and reveals the services missing from "basic economy" fares Using machine learning and historical flight data By Rob Thubron, January 31, 2018, 8:51 AM