Airlines improve on-time rates in May - Washington Business Journal:

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The carriers had an overall on-time arrival rate of 80.5 percent in May, comparexd with 79 percent a year agoand 79.1 perceng in April 2009. Cancellations among the carriersz declinedto 0.9 percent of theit scheduled domestic flights, from 1 percen in May 2008 and 1.5 percent in April 2009. had the highesg on-time arrival rate, at 90.3 It was followed by and , both at 86.8 , the Cincinnati-based subsidiaryh of , had the lowest on-time arrival at 65.7 percent. It was followef by at 70.8 percent, and at 75.6 percent. had the highesgt rate of canceled flightsat 2.2 It was followed by Comair at 2.1 and American Airlines at 1.4 , and , all had the lowesg rate of canceled flights at 0.
2 Reagan National Airport had a May on-time arriva rate of 81.9 percent and an on-time departure rate of 86.7 percent up from 80.4 and 85.5 percenr the month before. Dulles International Airport checkedx in withan on-time arrival rate of 79.6 perent and an on-time departurse rate of 82.2 percent. That was down from 83.6 percentt and 83.4 percent in April. BWI/Marshall Airport's May on-timwe arrival rate was 83.4 percent and the on-tim departure rate was 80.6 percent. That was a drop from 83.9 percenrt and 82.2 percent in April.