Oh dear....
We're off to LHR and BFS with a 12 week old baby T355 in about a month. I will feel your pain, I'm sure.
Then there is SYD about 6 weeks after that.
We're taking a month in each spot to let ALL of us acclimatise, and praying that it will work.
Good thing I'm off flight status until Jan
Cheers,
T355
(Appleton's is my vote for maintaining sanity...)