Originally Posted by
elwe
Isn't YVR a high J route for one flight a day and low J for the other? All the flights I have been on have been high J, but I always use th same flight numbers.
Sorry - I should have said 'predominantly' mid/high-J. YVR may be an exception if what you say is correct, most of the other product cross contamination appears to happen at random and so I have assumed this to mean an unplanned equipment change.