On-time performance fell for airlines in May
July 8, 2010, 03:54 pm
Large U.S. airlines saw their on-time performance slip somewhat in May, according to new data from the Bureau of Transportation Statistics.
According to the government agency, 18 carriers reported an on-time arrival rate of 79.9 percent in May, compared to an 80.5 percent rate in May 2009 and an 85.3 percent rate in April 2010.
For cancellations, the BTS cited a 1.2 percent rate in May, which was up from the 0.9 percent recorded for the same month in 2009. In April, the cancellation rate stood at 0.7 percent. Tarmac delays lasting two hours or more accounted for .067 percent of scheduled flights, while there were five flights in May that experienced tarmac delays lasting longer than three hours.
There were a variety of reasons for the flight delays recorded in May. For example, 6.40 percent were due to aviation system delays, while 6.48 percent involved late-arriving aircraft and 5.03 percent involved problems with maintenance or crew. Only 0.60 percent of flight delays were dueto extreme weather and 0.03 percent for security reasons.
According to the report, Hawaiian Airlines had the highest on-time arrival rate with 94.3 percent, while Comair had the lowest at 67.1 percent.
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