You usually can't
upgrade codeshare flights, either, which may be operated by Delta but have another airline's flight number.
Not exact matches
2.25.9 Cabin
upgrades are only applicable on Virgin Atlantic operated services and exclude
codeshare flights.
Booking classes which do not qualify for accruals are B, R, L, U, M, E, Q, X, N & O on the following VS
Codeshare flights: Auckland - Rarotonga Auckland - Christchurch / Wellington / Queenstown Additional miles will not be earned for bookings that are subsequently
upgraded to a higher class whereby an additional fare difference is paid.
As of April 2015, Qantas passengers booked on to LAN's Sydney - Auckland - Santiago
flight have been able to
upgrade their
flight using Qantas Points providing they booked the
flight as a Qantas
codeshare.
If you're not in need of Elite Qualifying Miles and if you're not looking to
upgrade to the next class of service then you should almost certainly be looking to book your
flights as a
codeshare where possible — you will earn considerably more redeemable miles that way.
If you're booked on a
codeshare flight, you'll only be eligible to
upgrade when you check in, and as always,
upgrades are based on availability.»
Typically you can only use miles to
upgrade on a
codeshare flight when you've purchased one of the higher fares (nonrefundable, etc.).