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George Bush Intcntl/Houston Airport in Houston, United States has 171 nonstop destinations in FlightQ's current schedule set. This page ranks named carriers by how many destinations they serve from IAH, with top routes and scheduled flight counts.
Schedule snapshot checked Aug 17, 2026.
The broadest named carrier from IAH is United Airlines, with 156 nonstop destinations in this data set. Popular destinations from the airport include Chicago (ORD), Dallas (DFW), Atlanta (ATL), and Denver (DEN).
| Airline | Destinations | Flights | Top routes |
|---|---|---|---|
| United Airlines | 156 | 2,929 | |
| Mesa Airlines | 21 | 147 | |
| Frontier Airlines | 15 | 139 | |
| American Airlines | 11 | 222 | |
| SkyWest Airlines | 9 | 70 | |
| Delta Air Lines | 7 | 177 | |
| Volaris | 6 | 29 | |
| Viva Aerobus | 4 | 25 | |
| JetBlue | 3 | 51 | |
| Alaska Airlines | 3 | 35 | |
| Air Canada | 3 | 28 | |
| Qatar Airways | 2 | 15 | |
| Emirates | 2 | 9 | |
| Aeromexico | 1 | 21 | |
| Avianca | 1 | 14 | |
| Envoy Air | 1 | 13 | |
| Turkish Airlines | 1 | 13 | |
| WestJet | 1 | 13 | |
| British Airways | 1 | 11 | |
| Air France | 1 | 8 | |
| EVA Air | 1 | 7 | |
| Lufthansa | 1 | 7 | |
| All Nippon Airways | 1 | 6 | |
| KLM Royal Dutch Airlines | 1 | 6 | |
| Air New Zealand | 1 | 5 | |
| ZIPAIR Tokyo | 1 | 4 | |
| Air Wisconsin | 1 | 3 | |
| ITA Airways | 1 | 3 | |
| Vuela El Salvador | 1 | 3 | |
| ConocoPhillips | 1 | 2 |
Flight counts are the scheduled rows captured in the current sample window, not annual totals. The destination count is a better comparison for network breadth.
United Airlines has the broadest named-carrier coverage in FlightQ's current IAH schedule set, with 156 nonstop destinations listed here.
FlightQ currently identifies 30 airlines serving 171 nonstop destinations from IAH.
Airlines add, pause, and retime routes seasonally. This page is built from FlightQ's current schedule capture, so use it for route research and confirm exact dates before booking.