Originally Posted by
flyerworld101
That means if you are flying DL metal. I think the question was if you have DL + LATAM metal flight (e.g. ATL-MIA in DL and then MIA-SCL in LA).
Indeed.
It looks promising however, as applying upgrade coupons seems independent of checking in.
all my 4 LA flights in the itinerary are listed as window opening 48hrs before each flight, Delta flights just say not eligible as expected