Expensive tickets

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

8. Indianapolis$390

9. Orange County, Calif.$444

10. Raleigh-Durham, N.C.$354