 In September 2005, US Airways merged with America West Airlines.
Flights are now
branded as fully US Airways, or "US Airways operated by America West
Airlines".  US Airways + America West Airlines
1.
Combined route network map
US Airways & US Airways Express USA + Canada routes
2. from Charlotte hub
3. from Philadelphia hub
4.
from Phoenix & Las Vegas hubs
(operated by America West)
5. from Washington Reagan
6. from Pittsburgh
7. from New York La Guardia
8. from Boston & Kansas City US Airways Express
9. Chautauqua Airlines
(from New York, Philadelphia, Washington etc.)
10. Colgan Air
(from New York, Boston, Pittsburgh &
Washington)
11. Air Midwest
(from Pittsburgh, Charlotte & Kansas City)
12. Air Wisconsin
(from Philadelphia, Washington & Charlotte)
13. Mesa Airlines
(from Phoenix, Las Vegas & Charlotte)
14. Trans States Airlines
(from Baltimore & Pittsburgh)
15. Piedmont Airlines
(from Charlotte)
16. Republic Airlines
(from Philadelphia, Washington & Pitsburgh) US Airways international & domestic trans-continental routes
17. from Charlotte hub
18. from Philadelphia hub
19. from US Airways focus cities
US Airways major codeshare partners worldwide
20. United Airlines via Chicago, Washington, Denver, LAX & San Francisco
21. Bahamasair for flights between USA and the Bahamas
22. Winair via St Maarten to East Caribbean islands
23. Lufthansa for transatlantic flights to Germany
24. Hawaiian Airlines via Honolulu for Hawaii inter-island
25. Big Sky Airlines via Billings & Boise for northwest USA
26. Royal Jordanian for flights between USA & Jordan | 
