is spirit airlines grounded in houston, tx
- TODAY IN THE SKY: Spirit Airlines raises checked-bag fee for holidays. Among the 10 new routes Spirit plans for Houston, three are to Mexico and four are to Central America. The routes will become Spirit's first international flights from Houston. The expansion will make Houston Spirit's second busiest base for international service, behind only the carrier's main base in Fort Lauderdale. Spirit's new routes from Houston Bush Intercontinental will be: