FlyingBlue members would obtain 120 XPs or instant Silver status with this flight. JFK-NBO 72 XPs (36 x 2) and NBO-ACC 48 XPs (24 x 2)
Adding a stopover increases the price, connections under 24 hours are OK and gives you time to explore Nairobi National Park, this can be done in half a day...
Kenya Airways Boeing 787
Kenya Airways Embraer 190
Kenya Airways Boeing 737