5 Outsourcing by Airlines Airlines have increasingly outsourced the maintenance of their planes to other companies A concern

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5 Outsourcing by Airlines Airlines have increasingly outsourced the maintenance of their planes to other companies A concern voiced by critics is that the mainte nance may be less carefully done so that outsourcing creates a safety hazard In addi tion flight delays are often due to maintenance problems so one might look at government data on percent of major maintenance outsourced and percent of flight delays blamed on the airline to determine if these concerns are justified This was done and data from 2005 and 2006 appeared to justify the concerns of the critics Do more recent data still support the concerns of the critics Here are data from 2014 In AIRLINE Airline Alaska American Delta Frontier Hawaiian Outsource Percent 51 0 29 4 36 7 46 3 78 4 Delay Percent 10 35 20 32 14 48 21 42 5 06 Airline JetBlue Southwest United US Airways Outsource Percent 68 4 58 2 52 6 54 3 Delay Percent 19 93 28 47 23 46 13 68

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