Glossary
- Cabin Downgrade
- Call Center Roulette
- Capacity Controls
- CardMatch
- Carousel Hog
- Carrier-Imposed Surcharge (YQ)
- Cash Advance
- Cash Back (CB)
- Category Cap
- CATS
- CC
- CCR
- CCS
- CDG (Paris Charles de Gaulle)
- CEDR
- C Fare
- CFF
- CFU
- Channel 9
- Chase Ultimate Rewards (UR)
- Choice Privileges
- Churn
- Churner
- CIC
- CI (China Airlines)
- CIP
- CIU
- CKIN
- Clawback
- Closed-Loop Gift Card
- CLT (Charlotte Douglas)
- Club Europe (CE)
- Club Suite
- Club World
- Co-branded Card
- Codeshare
- COMP
- Companion Pass (CP)
- Companion Voucher
- Complimentary Premier Upgrade (CPU)
- Connection
- Convenience Fee
- Couch Run
- Coupon Book
- Courtesy Stow
- CPM / CPP
- Credit Bureau (CB)
- Credit Cycling
- Credit Limit (CL)
- Credit Limit Increase (CLI)
- Credit Pull
- Credit Report (CR)
- Crew Rest
- Crew Timeout
- CRO
- CSCP
- CSP
- CSR (Chase Sapphire Reserve)
- CSR (Customer Service Representative)
- CT
- CX (Cathay Pacific)