Hello
I'm looking for some advice on which airline FF to use for my upcoming 12 months of travel (and onwards). I'd prefer to stick with OW but the BA end of year is extremely annoying compared to Virgin's rolling year.

Here's my questionnaire with some additional relevant information below, thank you in advance!

1. What is most important to you in a frequent flyer program (FFP)?
Upgrades and Lounge access

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.
50000+, approx 14 long haul, 25 short haul

3. What fare class do you usually buy?
first, business, premium economy, economy
Business long haul, economy short haul

4. Are you able to choose your airlines and/or class of service? Do you travel for work and/or pleasure?
Work, i can generally choose

5. Which routes do you fly most often?
transatlantic, domestic USA, intra-Asia, etc.
London to USA but also fairly frequent to Australia plus European domestic

6. What is your home airport?
LHR

7. Do you have status in any FFP? What is it? How miles do you have banked in each FFP, if any?
BA - Silver, 280k Avios, Year ends in April
Virgin, no status, 150k miles
Qantas, no status, no miles.

8. What are your preferred airlines, if any?
Cathay Pacific, Qatar, Singapore

Additional info:

My approximate schedule is:

November Various European short haul
January London to Australia return and several domestic.
March London to Dallas return.
April London to Lax return
May Various European short haul
June London to NYC return and various US domestic
July Various European short haul
September London to Toronto return
October Various European short haul
December London to Australia and various domestic.