Southwest Corn Chowder

2 clices bacon, coarsely chopped
1 sm onion, chopped
2T flour
1/2tsp ground cumin
1/2tsp chili powder
1(16oz) can whole potatoes, drained, rinsed and diced
1(16.5oz) can cream style corn
2(14.5oz) cans chicken broth
1(11oz) can Mexicorn
1(4oz) can chopped mild green chiles
1/4tsp salt
1/4c sour cream
2T minced cilantro

*in large skillet cook bacon and onion until fat is rendered; add flour, cumin and chili powder; cook,stirring, 1-2min
*stir in potatoes, corns, broth, chiles and salt; bring to boil 3-5min
*serve with sour cream and cilantro