What: American Airlines Boeing 737-800 en route from Fort Lauderdale to Los Angeles
Where: Miami
When: July 12 2012
Who: 143 passengers 6 crew
Why: After taking off from Fort Lauderdale, the flight experienced problems (cabin pressure) and diverted to Miami International airport.
There was some delay while the problem was resolved (either cabin pressure or a faulty indicator) and after an hour and a half on the ground, the flight continued. The flight, that normally lands in Los Angeles around 11 PDT, is anticipated to arrive around 3 PDT.
http://flightaware.com/live/flight/AAL1585/history/20120712/1500Z/KMIA/KLAX


JetBlue flight 429 had to divert and make an emergency landing at Sioux Falls Regional Airport, Sioux Falls, South Dakota, on August 11th.