Dynkrisolo From United States of America, joined Feb 2001, 1883 posts, RR: 7
Reply 3, posted (11 years 8 months 2 weeks 5 hours ago) and read 2550 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.