U.S. airports are bursting at the seams with travelers, and yet fliers are giving airports high satisfaction ratings.

An annual survey by ratings company J.D. Powers reported last week that overall satisfaction levels for airports rose 6 points to 731 on a 1,000-point scale, compared with last year. The rankings are based on a survey of nearly 39,000 air travelers in North America.

The improved attitude might sound odd, considering that airports are more crowded, having to serve about 6 percent more fliers this year than in 2015.

Airport officials attribute the higher satisfaction levels to the completion of renovation projects across the country, many of them funded by more revenue from airport fees and bond measures.

Los Angeles International Airport, one of the nation’s busiest, got a ranking of 702, lower than the national average of 731 but significantly higher than its score of 670 last year, according to the report.

One explanation for the rising satisfaction level at LAX may be the $300 million renovation of Terminal 2, home of Aeromexico, Air Canada, Hawaiian Air, Qatar Airways and Virgin Atlantic. As part of the upgrade project, several hip new eateries were added, including SeaLegs Wine Bar and Slapfish from Huntington Beach, pie-and-coffee stop the Pie Hole, organic fare from Ciabatta Bar and Built Custom Burgers.

Expenses — from sensible to silly

Each year, U.S. businesses spend about $310 billion on travel and entertainment expenses, according to the Global Business Travel Association. Most of those expenses are sensible and boring, such as airline tickets to a business meeting in Scranton, Pa., or dinner with a client at TGI Fridays.

But some expenses are a bit strange.

Certify, a cloud-based travel and expense report company, surveyed 430 business travelers to report the craziest business expenses submitted for approval in 2016.

The craziest expense, according to Certify, was $150 submitted by a marketing executive to rent a llama for a photo shoot. The expense was approved.

An IT team leader submitted a $59.95 expense report to buy a blowup doll for a retirement party. That expense was denied.

Among the odd expense items that were approved: $6.36 for a bag of wax lips, $250 for personalized bobblehead dolls and $1,100 for a tailgate party that a client was attending.