Originally Posted by
FlyingCow
Hi all! I’m considering a very similar connection - HEL-MIA via JFK, AY arriving at 15:55 and then AA departing at 17:20 - all business class and in one ticket. There’s two of us, hand baggage only, one European passport with ESTA and the other with a B1/B2 visa. How doable would this be on a Saturday in December?
TIA

In business with carry-on only you will be fine, although it obviously doesn't leave a lot of spare time should things get delayed. Worst case you can just get rebooked over on a LGA-MIA flight later that evening.