PUC – Pricing unit concept
Public fares (air)
PU – Pricing unit
PTA – Prepaid ticket advice
PST – Pacific Standard Time
Property management system
Property irregularity report
Proof of citizenship
Promotional fare
Profile
Prime segment
Primary carrier
Pre-trip auditing
POS – Point of Sale
Point-to-point fares
PO – Purchase Order
Plate / plated
PEX – Penalty excursion fare
Per diem
Penalty
Peak season
Peak
PCI – Payment Card Industry
PAX – Passengers