AI has one of the best FF programmes:

1. Most generous and accrual of miles.
2. NO restriction of redemption:
A. No black out dates.
B. The award tickets are treated almost like full fare tickets and are
available upto the last seat.
C. On the spot redemption at their services centers.
D. Discount for children
3. Higher luggage limit
4. Fully transferable award tickets.
5. Pooling of mileage of spouses

Now that they are due to be joining Star alliance, they will have more partners and so forth.