how many domestic routes out of houston intercontinental have united as a carrier?
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col : rank | city | passengers | top carriers row 1 : 1 | los angeles, ca | 700,000 | american, spirit, united row 2 : 2 | chicago, il | 673,000 | american, spirit, united row 3 : 3 | denver, co | 654,000 | frontier, spirit, united row 4 : 4 | san francisco, ca | 492,000 | united row 5 : 5 | dallas/fort worth, tx | 488,000 | american, united row 6 : 6 | newark, nj | 480,000 | united row 7 : 7 | las vegas, nv | 442,000 | spirit, united row 8 : 8 | charlotte, nc | 441,000 | united, us airways row 9 : 9 | atlanta, ga | 400,000 | delta, united row 10 : 10 | phoenix, az | 393,000 | united, us airways
how many domestic routes out of houston intercontinental have united as a carrier?
Rank City Passengers Top Carriers
1 Los Angeles, CA 700,000 American, Spirit, United
2 Chicago, IL 673,000 American, Spirit, United
3 Denver, CO 654,000 Frontier, Spirit, United
4 San Francisco, CA 492,000 United
5 Dallas/Fort Worth, TX 488,000 American, United
6 Newark, NJ 480,000 United
7 Las Vegas, NV 442,000 Spirit, United
8 Charlotte, NC 441,000 United, US Airways
9 Atlanta, GA 400,000 Delta, United
10 Phoenix, AZ 393,000 United, US Airways
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