ATLANTA (AP) — Travelers taking to the skies for the Memorial Day weekend say security lines are moving faster than expected after weeks of costly delays at U.S. airports.

Transportation Security Administration spokesman Mike England says bomb-sniffing dogs are being used at busier airports to help speed up lines. Travelers screened by dogs are not being required to remove their shoes or take laptops out of carry-on bags.

At Hartsfield-Jackson International Airport in Atlanta — known as the world’s busiest — all 16 lanes at the main security checkpoint were open Friday morning. Passengers are moving through in about 15 minutes compared with close to an hour in recent weeks.

Mike Saresky flew to Chicago from Philadelphia, where he said his wait was just 12 minutes. He says he expected much worse.

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