Robert Gray Army Air Field Airport to George Bush Intercontinental Houston Airport
The United Airlines route from Robert Gray Army Air Field Airport (KGRK/GRK) to George Bush Intercontinental Houston Airport (KIAH/IAH) covers approximately 144 nautical miles with an estimated flight time of 3 hours and 22 minutes.
This real-world airline route is available to fly in Microsoft Flight Simulator (MSFS 2024 & 2020), X-Plane 12, and Prepar3D through JetStream Virtual. All schedules are sourced from actual airline data and updated daily via API, ensuring you fly the same routes that real pilots do.
Aircraft operated on this route: UAL.
When you book this flight, you can generate a full operational flight plan through our SimBrief integration, including fuel calculations, weather data, and NOTAM briefings. During the flight, the JSV Flight Logger automatically tracks your position, detects flight phases, and logs your performance.
| Flight # | Departure | Arrival | Distance | Time | Aircraft | |
|---|---|---|---|---|---|---|
| UAL1646 | 15:15:00 | 18:37:00 | 144 nm | 3h22m | UAL | Join to Fly |
| ICAO | KGRK |
| IATA | GRK |
| Location | Fort Hood/Killeen, US |
| Timezone | America/Chicago |
| ICAO | KIAH |
| IATA | IAH |
| Location | Houston, US |
| Timezone | America/Chicago |
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