Holiday travel is breaking records, with the TSA screening nearly 3.1 million passengers on Dec. 1, the busiest day in its history. Meanwhile, airlines are rolling out significant changes.

In-flight service, such as the sale of food and beverages, will soon end ten minutes earlier on Southwest flights.

Starting 4, Southwest Airlines is making a small yet noticeable adjustment to its inflight experience. Cabin preparations for landing will start at 18,000 feet instead of the prior 10,000 feet. That’ll correlate with a 10-minute sooner request to raise tray tables,

Fliers on Southwest Airlines might notice a change to the usual cabin service this week. Starting Wednesday, Southwest Airlines flight attendants will prepare the cabin for landing at an altitude of 18,

Southwest Airlines says it is ending cabin service earlier on flights, requiring passengers to do the usual pre-landing procedures such as ensuring their seatbelts are fastened and returning their seats to an upright position earlier than before.

The airline announced that crews will start wrapping up in-flight service earlier in an attempt to prevent injuries.

Beginning on Dec. 4, a company spokesperson said, flight attendants will begin preparing the cabin for landing at an altitude of 18,000 feet (5,486 meters) instead of 10,000 feet (3,048 meters).