Miami's airport has the worst on-time record in the nation

Miami International Airport had the worst on-time departure performance among the 32 busiest airports in August, the Department of Transportation's Bureau of Transportation Statistics report released Thursday showed.

And once again, Miramar-based Spirit Airlines ranked as the fifth-worst U.S. carrier in consumer complaints for the month, according to the August Air Travel Consumer Report.

Overall, U.S. airlines' on-time performance and baggage handling improved in August, compared to the same month a year ago.

Among airlines, JetBlue Airways had the worst on-time performance in August, while Hawaiian Airlines had the best.

The DOT's Bureau of Transportation Statistics said the 19 carriers reporting on-time performance recorded an overall on-time arrival rate of 78.4 percent in August, higher than the 71.7 percent recorded a year earlier and 75.7 percent recorded in July of this year.

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