The company said from '08 to '11 - the sick leave rate was 6.1%

Then over the next 3 years it rose to a rate of 7.8%

I know January is one of the three lowest months on block hours (per the same news letter "January is typically the third lowest month when measuring the daily volume of flying.")

Looking at the chart they put out I guesstimated around 561,000 block hours for the month of January (is this a good number?)

6.1% of 561,000 is 34,221 and
7.8% of 561,000 is 43,758

The difference between the two is 9537 hours.

I'm not sure how they got to a 22,250 average increase in sick leave from these numbers.



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