Reciprocal FFP Agreement

A reciprocal frequent flyer program agreement is an arrangement between two airlines — or between an airline and a hotel chain, car rental company, or other travel provider — enabling members of each loyalty program to earn and redeem miles or points on the other's services, broadening the utility of each program.

What Is a Reciprocal FFP Agreement?

In a reciprocal FFP arrangement, each airline's loyalty program members are treated as guests by the partner program when they fly on the partner's metal. A United MileagePlus member flying a Lufthansa-operated flight can earn MileagePlus miles. A Lufthansa Miles & More member flying a United-operated codeshare can earn Miles & More miles. The two programs do not merge; each maintains its own currency, redemption catalog, and member database. What they share is the recognition protocol — the ability of each program to identify the other's members and apply appropriate mileage credits.

Reciprocal agreements also commonly include elite status recognition, so a Star Alliance Gold member (earned through any member airline's elite program) receives lounge access, priority boarding, and extra baggage allowances across all member airlines.

How It Works in Practice

The mechanics require each airline's departure control system to recognize the other airline's frequent flyer numbers. When a passenger enters their partner airline's loyalty number at check-in, the system queries the partner's database (or a shared record), confirms the member's status tier, and applies the appropriate service benefits. After the flight, a mileage credit transaction is posted to the member's account — the operating carrier sends the credit instruction to the member's home program.

Earn rates in partner agreements vary significantly. Flights on the home airline typically earn at the highest rate (100 percent of base miles or more for premium cabins). Flights on an alliance partner earn at reduced rates — often 25 to 100 percent depending on fare class and partner agreement terms. Some partnerships offer zero accrual on heavily discounted fare classes.

Singapore Airlines's KrisFlyer program and United MileagePlus have a longstanding reciprocal agreement as Star Alliance members. Delta SkyMiles and Korean Air SkyPass are reciprocal partners within SkyTeam.

Why It Matters

Reciprocal FFP agreements are a primary reason passengers choose to concentrate their flying with carriers in the same alliance. The ability to earn on partner flights and redeem across a broad partner network increases the program's perceived value substantially. For airlines, reciprocal agreements are a retention tool — they make it more costly for a member to switch loyalty programs because doing so forfeits the benefit of the full partner ecosystem.

Key Facts and Figures

• Full alliance members are required to maintain reciprocal FFP agreements with all other full members.
• Elite status recognition is typically bilateral — each program's top tier receives the other's equivalent treatment.
• Some airlines maintain reciprocal FFP agreements with carriers outside their own alliance.
• Award redemption across partners (using miles earned on one airline to book a seat on another) requires separate award availability agreements beyond basic mileage accrual.
• Mileage transfer between partner programs is generally not permitted directly; members earn in their home program for partner flights.

Related Concepts

Airline Alliance, Codeshare Agreement, Elite Status Recognition, Award Redemption, Loyalty Program