Originally Posted by
qazw1
Can EXP request an upgrade when printing boarding pass at one of the self service machines?
Yes, provided that the applicable flights either:
a) are within the "sticker zone" (USA/Can/Mex/Bda/Bahamas/Carib/CentAm) (complimentary)
b) have "space-available" upgrade inventory available (any destination, pay with credit card on the spot)