The American low-cost airline, Southwest Airlines, announced that as of December 4 it would start preparing its cabins for landing at 10,000 feet, rather than the previous altitude of 18,000 feet. The airline said that the rule change is designed to “reduce the risk of in-flight turbulence injuries” and is “the result of the airline’s close

The carrier — the largest by passenger traffic at San Antonio International Airport and Austin-Bergstrom International Airport — is ending cabin service earlier on all flights, requiring passengers to do the usual pre-landing procedures such as ensuring seatbelts are fastened and returning their seats to an upright position earlier in the flight.