Isn't it funny how you like to copy - still practicing copy and paste
Let's see - you claim all kinds of things on this board - actually more like the AA board - if you could be honest with yourself - about DL's performance - however can never provide a link to public record of said claim
you clearly don't understand the word "proprietary"
It is DL's internal information - you won't find it a link to it.
DL has chosen to release it.
the bottom line for you is that your statement about DL being at a disadvantage because of older aircraft is clearly wrong.
DL has figured out how to be quite profitable with aircraft models which other airlines have decided they don't want any more.
The DC9 series and its derivatives, which DL introduced to passenger service for the world, is and will be flying for decades to come.
The 757 still has a lot of life left in them and are viable aircraft for domestic service.
Low fuel prices only help to increase the financial viability of those two aircraft that other carriers have decided to get rid of at a far accelerated rate.
DL has repeatedly said this is its strategy and the use of the M80 in key business markets should validate it.
you and swamt also realize that WN's fleet is older than both AA and UA, don't you?
older 737s have just as big of a fuel disadvantage to newer aircraft as the M80 does and yet WN is in no hurry to throw them out - and we know how profitable WN has been and for how long.
and the only basis of this thread is incorrect. DL has added more capacity over the past year than AA, UA, or WN has added.
and the likelihood is that DL will continue to grow in key industry markets in 2015 whether you see or understand it or not.