The American broke Kerber four times while Williams failed to hold serve twice, but the contest was more one-sided in the second set.
"This is one of the few tournaments where I've never made a finals", Wozniacki said.
"It's extremely special", Wozniacki said of making Saturday's final. Federer had to call upon all his resources of skill, poise and experience to edge Berdych 6-2 3-6 7-6 (8-6), extending his win streak over the Czech to seven matches.
Born in Australia, but having been based in England since she was 14, Konta has not had to deal with much of the hype and expectation that have accompanied some British players in the past.
Konta leads the head-to-head 2-1, winning the last two on hardcourts a year ago against the elder Williams sister. "It's a huge part of my game", Wozniacki, who completed the 2014 New York Marathon in less than three-and-a-half hours, said in a courtside interview.
Tillerson presses for Chinese-US co-operation over North Korea
The test came just hours before Secretary of State Rex Tillerson met with Chinese President Xi Jinping in Beijing . Tillerson ended his first trip to Asia since taking office with an agreement to work with China on North Korea.
"I've had some tough losses here where I should have won".
She was the oldest woman to enter the draw but hasn't been taxed physically, winning every set in her four matches. In Indian Wells, she played with heavy strapping to her thigh, though in Miami, she has looked lean, strong and injury free-to which her results testify. For one of Konta's major weapons in this match will be her serve return. The stats say that Williams won just three of 10 break points, while Konta won five of 17.
But former world number one Wozniacki, wearing down Pliskova with her solid defense, ran out a comfortable victor in the following two sets to earn a third final appearance of the year.
Her game puts her in the same company as, among others, Venus, Pliskova and Coco Vandeweghe. "Tomas really stepped it up and it was a great match at the end but one guy had to win".
By beating the No. 2-seeded Nishikori, Fognini improved to 9-44 against top 10 players, and he became the first Italian man to reach a semifinal at Key Biscayne.
White House invites lawmakers to see intelligence material
The New York Times reported Thursday that Ezra Cohen-Watnick and Michael Ellis were the White House officials who sourced Nunes. He added that his "smell test" remark was based on Nunes's words at the time .
It was a close encounter the whole way, and featured some inspiring hitting, but Konta played commanding tennis and never wavered, even when Williams moved ahead by a break in the second set.
Wozniacki - a semi-finalist in Miami in 2012 - stepped it up from that point as Pliskova struggled on serve.
"She is such a world class act so I feel very privileged to have had a battle against her".
She fluffed her first attempt to serve the match out, but again bounced straight back to break Williams to love and made no mistake at the second attempt, closing it out 7-5, with match point being converted shortly after midnight local time.
China's military facilities on man-made SCS islands nearly
Though the infrastructure is nearly completed , no military aircraft has been deployed to the islands yet, Thayer and Storey said. Ayungin Shoal, on the other hand, is located 22 nautical miles from the Chinese-built artificial island in Panganiban Reef.