Asiana Airlines

New questions and searches greet travelers flying to the US

Some were asked their hobbies and packing habits. Others were queried about what they do for a living. There were lines for security interviews and searches of carry-on bags.

The first passengers to travel under new screening measures for U.S.-bound flights were greeted at airports around the world with a wide range of hurdles — some new, some familiar — to clear before boarding their planes.

The Trump administration is requiring that both U.S. and global air carriers adopt enhance security screening for every flight to the U.S. All travelers — American citizens and foreigners — are subject to the new protocols, which went into effect Thursday.

The new procedures...