Dynkrisolo From United States of America, joined Feb 2001, 1874 posts, RR: 7
Reply 3, posted (10 years 9 months 4 days 21 hours ago) and read 2330 times:
I don't know if you noticed that I edited what I wrote. In essence, you got it. But to be absolutely sure that I didn't mislead you, the denominator should be the sum of seat-miles for each flight. And seat-miles for each flight is number of seats of the aircraft times the number of miles flown for the particular flight.