Delta has a monopoly on 22 nonstop markets at Minneapolis-St. Paul International Airport. Below, the top 10 of its single-carrier destinations and the average cost of a round-trip ticket.
1. Tampa, Fla.$292
2. Detroit$462
3. Baltimore-Washington$360
4. Portland, Ore.$404
5. Salt Lake City, Utah$396
6. Fort Lauderdale, Fla.$330
7. Kansas City, Mo.$422
8. Indianapolis$390
9. Orange County, Calif.$444
10. Raleigh-Durham, N.C.$354
Source: Metropolitan Airports Commission