You might like to look at Skytrax; www.airlinequality.com which rates airlines with one to five stars. Most US based carriers get three stars, as does American. The site will also allow you to view passenger's comments bout their experiences. Again, many people only comment when things go wrong, so bear that in mind.
On September 22 1862, Abraham Lincoln issued his preliminary Emancipation Proclamation, in which he declared that as of January 1, 1863, all slaves in states in rebellion against the Union shall be then, thenceforward, and forever free..
This situation left some African Americans lingering in bonded servitude. Pennsylvania passed its Act for the Gradual Abolition of Slavery in 1780. Yet, as late as 1850, the federal census recorded that there were still hundreds of young blacks in Pennsylvania, who would remain enslaved until their 28th birthdays.