# Distance from Hat Yai (HDY) to Houston (IAH)

> 15,581 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,581 km / 9,681 mi / 8,413 nm
- **Estimated flight time**: 19h
- **Heading**: 21° (north northeast)
- **Return heading**: 335° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Thailand) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -12h (When it's 14:36 in Hat Yai, it's 02:36 in Houston)
- **Elevation difference**: 6 ft (IAH is higher than HDY)

## Airports

### [Hat Yai International Airport (HDY)](https://www.flightduration.online/airport/hdy-hat-yai-hat-yai-international-airport/1ef266df-f5b3-6e28-88c1-06bb2780ed98)

- City: Hat Yai, Thailand
- ICAO: VTSS
- Timezone: Asia/Bangkok
- Coordinates: 6.930000, 100.390000
- Elevation: 90 ft

### [George Bush Intcntl/Houston Airport (IAH)](https://www.flightduration.online/airport/iah-houston-george-bush-intcntlhouston-airport/1ef266df-22d4-6822-bae6-06bb2780ed98)

- City: Houston, United States
- ICAO: KIAH
- Timezone: America/Chicago
- Coordinates: 29.980000, -95.340000
- Elevation: 96 ft

## Route notes

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

Time-zone information: When it's 14:36 in Hat Yai, it's 02:36 in Houston.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Hat Yai International Airport (HDY)](https://www.flightduration.online/airport/hdy-hat-yai-hat-yai-international-airport/1ef266df-f5b3-6e28-88c1-06bb2780ed98)
- [George Bush Intcntl/Houston Airport (IAH)](https://www.flightduration.online/airport/iah-houston-george-bush-intcntlhouston-airport/1ef266df-22d4-6822-bae6-06bb2780ed98)
- [Flight duration calculator](/#calculator)