Originally Posted by MSPeconomist

Do you know the exact fare code for the ticket you purchased? If it's a basic fare, this can be verified easily by glancing at the code (not just the fare class).

Finding a cheap last minute FC fare on a business oriented route seems surprising unless you were traveling at a (very) off peak day of week and time of day. I would be the second lowest FC fare class
, just above Z and below D/C/J.