get to the airport a little early, go to the ticketing counter & ask for an airport upgrade....if there is space then they will take the payment & upgrade your seat....i've done this a bunch of times....
also, as oliver2002 stated, this can also be done at the city booking office in advance but i have had a bad experience with the city office once so i now prefer to just upgrade at the airport....
the city office processed my upgrade & took the payment but when i got to the airport their system was not reflecting the upgrade & they told me i would either have to pay for the upgrade or travel in the economy seat....i had to pay again & eventually got my refund for the transaction at the city office but it was a pain in the a$$ to get the refund....
Last edited by Keyser; Oct 21, 2017 at 12:00 am