Hi everyone, I started travelling a non-negligible amount recently, so I've been pondering which FFP would be the best for my patterns. I'm completely lost with everything that's out there, so if an experienced traveller could help me out I would be extremely grateful.

1. What is most important to you in a frequent flyer program (FFP)?
upgrades, priority services, baggage allowance, good award redemption rates, better award access, lounge access, etc.
>>> Reply: Priority services, good award redemption rates, possibly upgrades

2. How many miles do you usually fly each year? How many flights/sectors?
less than 25000 miles, 50000+ miles and 20-25 flights, etc.
>>> Reply: I fly 6 to 10 round-trips a year from New York to San Fransisco, which is between 30000 and 50000 miles on domestic flights.
I also fly round-trip to France once, maybe twice a year, so that's an addition 7000 to 14000 miles on international flights.
Finally, in addition to this, there will be unusual travels here and there, of course, but nothing following a precise pattern. Mainly United States and Europe, I would say.

3. What fare class do you usually buy?
first, business, premium economy, economy
>>> Reply: Economy

4. Are you able to choose your airlines and/or class of service? Do you travel for work and/or pleasure?
>>> Reply: New York - San Fransisco flights are for work, flights to France are pleasure. I can choose whichever airline I want, but I need to stick to Economy for work flights.

5. Which routes do you fly most often?
transatlantic, domestic USA, intra-Asia, etc.
>>> Reply: See question 1: New York - San Fransisco (domestic) and New York - France (transatlantic).

6. What is your home airport?
>>> Reply: New York, all airports.

7. Do you have status in any FFP? What is it? How miles do you have banked in each FFP, if any?
>>> Reply: I have less than 30000 miles on Flying Blue, and I am completely fine with just using them and starting new on a different FFP. Especially since I don't have any status.

8. What are your preferred airlines, if any?
>>> Reply: I have a strong preference for Delta, these days. I want to avoid United and American Airlines if possible, I had bad experiences with them in the past.


Some additional background: I live in New York but most of my family is in France. Since coverage in France outside of Paris is essentially limited to Air France and European low-cost companies, I think I need to choose a FFP that has a partnership with Air France.

I've been looking at Flying Blue, Delta SkyMiles, and even Alaska Airlines' FFP (since it has the right partnerships), but I am really lost and can't figure out which one would be the best for me. Once again, I'd be very grateful if you could point me in the right direction.

Thanks