WASHINGTON—The Biden administration will soon propose new rules to require passenger airlines to refund fees for bags that are significantly delayed and refunds for services like onboard Wi-Fi that does not work, the White House said Friday. White House National Economic Council Director Brian Deese confirmed the planned rules at a briefing that were directed by President Joe Biden, saying it is “part of a broader effort that the president will release shortly around driving greater competition in the economy in service of lower prices.” Under existing Transportation Department rules, passengers are entitled to a fee refund if bags are lost, but not when delayed. Under the proposed rule to be released in the coming days, a “significantly delayed checked bag” is one not delivered to the passenger within 12 hours for domestic itineraries and within 25 hours for international itineraries. Airlines for America, a group representing major airlines, did …