Doha (DOH) → Houston (IAH)
A reference for the Hamad International Airport to George Bush Intercontinental Houston Airport route. You'll find the operators on file, the great-circle geometry, the connecting options if no nonstop fits your dates, and a short profile of each endpoint airport.
The flight from Doha (DOH) to Houston (IAH) covers a great-circle distance of roughly 12,933 km (8,036 miles). Aircraft leave Hamad International Airport on an initial northwest heading. As international sectors go, this one sits in the ultra-long-haul bracket: long enough that most carriers run it as its own dedicated rotation, but short enough to fit inside a single crew duty period.
3 carriers file a direct DOH to IAH sector, with American Airlines and Qatar Airways among the operators on record. A route attracting this many carriers usually points to a city pair with both leisure and business demand, or a competitive hub-to-hub link where the airline alliances overlap on the same metal.
Operators on the DOH → IAH direction
Carriers with at least one scheduled rotation on this sector in the OpenFlights dataset, ranked by the number of code-shared filings.
| IATA | Airline | Country | Callsign |
|---|---|---|---|
| AA | American Airlines | United States | AMERICAN |
| QR | Qatar Airways | Qatar | QATARI |
| US | US Airways | United States | U S AIR |
This is ultra-long-haul flying that pushes airframes near the top of their certified range. Expect block times around 15h 57m, three meal services, a long sleep block, and a short list of carriers prepared to commit the right certified twin (777-200LR, A350-900ULR, 787-9 in long-range trim).
If a nonstop doesn't match your dates, Chicago (ORD), London (LHR), and Beijing (PEK) show up on both ends of the network and make the most natural connecting points. The connecting-hubs grid below extends that list to the eight strongest options, ranked by each airport's overall departure activity. That ranking is a fast proxy for how many onward flights a single stop is likely to feed.
Connecting hubs
Airports that already appear on both ends of this network. They're the natural one-stop options when no nonstop matches your dates, ranked by overall departure activity.
This is an international sector between Qatar and United States. Build in time for passport validity, possible visa requirements, and the time-zone gap between Doha and Houston. International itineraries are quoted in local time at each end, so a "midnight" departure in Doha typically lands the next morning in Houston. Customs clearance happens on first arrival in the destination country.
On the day of operation, the DOH to IAH direction lifts off heading northwest, then the great-circle track curves to compensate for the Earth's rotation. The return IAH to DOH sector heads northeast out of the gate, with 2 operators on file for the inbound side. Combine the two operator lists for a full picture of the city pair's competitive landscape.
Endpoints
Other routes from Doha (DOH)
Other destinations served from the same origin. Handy for combining trips or for finding an alternate first leg.
Other routes into Houston (IAH)
Other origins that already file scheduled service into the destination airport.
Reading this route page
The operator list reflects scheduled-route filings in the OpenFlights dataset, not real-time availability. A carrier appearing here publishes a scheduled service on this sector. It isn't a live timetable, and the actual flight numbers, frequencies, and aircraft types shift season to season. For booking and current schedules, cross-reference the airline page above with the carrier's own website.
Distance here is the great-circle arc between the two airports' published coordinates. Real flight tracks wander off that line because of wind, ATC routings, oceanic crossings, and political airspace constraints. Block time is an estimate covering ground taxi, climb, cruise at typical jet speeds, and descent. Real block times shift with aircraft type, weather, and traffic, so treat the stat-strip number as a planning indicator rather than a published flight time.