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1. The new airline, which will be known as American Airlines, will provide about 6,700 daily flights to more than 330 destinations in more than 50 countries
2. American Airlines to have combined workforce of over 100,000 employees
3. The new American Airlines Group has annual revenue of about $39 billion based on 2012 figures.
4. Headquartered in Fort Worth, Texas, synergies from the merger are expected to generate more than $1 billion a year in additional financial benefits by 2015
5. The merger is mammoth at $11 billion - deal first announced in February, but was held up by an antitrust lawsuit
6. The scale of the merger is so big that it will take about two years to combine American's fleet and workforce with those of US Airways
7. For passengers, who are at the heart of any such deal since it will impact their pockets the most, the merger won't mean many immediate changes. Whether the deal leads to higher ticket prices remains to be seen.
8. US Airways will exit Star Alliance on March 30 and will enter the next day the Oneworld Alliance, joining American Airlines and others including British Airways, Cathay Pacific, Japan Airlines and Qatar Airways.
9. American Airlines, once the largest US carrier, had fallen to third place behind United Continental Holdings and Delta, both of which used Chapter 11 to cut costs.
10. American Airlines shares soared a whopping 95 cents, or 4 percent, to $24.85 on the company's first day of trading after completing its merger with US Airways.