Nonstop flight route between St. Louis, Missouri, United States and Hat Yai, Songkhla Province, Thailand:
Departure Airport:

Arrival Airport:

Distance from STL to HDY:
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- About this route
- STL Airport Information
- HDY Airport Information
- Facts about STL
- Facts about HDY
- Map of Nearest Airports to STL
- List of Nearest Airports to STL
- Map of Furthest Airports from STL
- List of Furthest Airports from STL
- Map of Nearest Airports to HDY
- List of Nearest Airports to HDY
- Map of Furthest Airports from HDY
- List of Furthest Airports from HDY
About this route:
A direct, nonstop flight between Lambert–St. Louis International Airport (STL), St. Louis, Missouri, United States and Hat Yai International Airport (HDY), Hat Yai, Songkhla Province, Thailand would travel a Great Circle distance of 9,206 miles (or 14,816 kilometers).
A Great Circle is the shortest distance between 2 points on a sphere. Because most world maps are flat (but the Earth is round), the route of the shortest distance between 2 points on the Earth will often appear curved when viewed on a flat map, especially for long distances. If you were to simply draw a straight line on a flat map and measure a very long distance, it would likely be much further than if you were to lay a string between those two points on a globe. Because of the large distance between Lambert–St. Louis International Airport and Hat Yai International Airport, the route shown on this map most likely appears curved because of this reason.
Try it at home! Get a globe and tightly lay a string between Lambert–St. Louis International Airport and Hat Yai International Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | STL / KSTL |
Airport Name: | Lambert–St. Louis International Airport |
Location: | St. Louis, Missouri, United States |
GPS Coordinates: | 38°44'49"N by 90°21'41"W |
Area Served: | Greater St. Louis, Missouri |
Operator/Owner: | City of St. Louis |
Airport Type: | Public |
Elevation: | 605 feet (184 meters) |
# of Runways: | 4 |
View all routes: | Routes from STL |
More Information: | STL Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | HDY / VTSS |
Airport Names: |
|
Location: | Hat Yai, Songkhla Province, Thailand |
GPS Coordinates: | 6°55'59"N by 100°23'34"E |
Operator/Owner: | Airports of Thailand |
Airport Type: | Public |
Elevation: | 90 feet (27 meters) |
# of Runways: | 1 |
View all routes: | Routes from HDY |
More Information: | HDY Maps & Info |
Facts about Lambert–St. Louis International Airport (STL):
- The September 11, 2001 terrorist attacks were a huge demand shock to air service nationwide, with total airline industry domestic revenue passenger miles dropping 20% in October 2001 and 17% in November 2001.
- The closest airport to Lambert–St. Louis International Airport (STL) is St. Louis Downtown Airport (CPS), which is located only 16 miles (27 kilometers) SE of STL.
- The April 1957 Official Airline Guide shows TWA with 44 weekday departures.
- Despite the entry of Southwest Airlines in the market, the TWA buyout of Ozark and subsequent increase in the number of nonstop cities served, the total number of passengers using Lambert held steady from 1985 through 1993, ranging between 19 million and 20 million passengers per year throughout the period.
- Lambert–St. Louis International Airport (STL) has 4 runways.
- The furthest airport from Lambert–St. Louis International Airport (STL) is Margaret River Airport (MGV), which is located 10,986 miles (17,681 kilometers) away in Margaret River, Western Australia, Australia.
- During 2008, Lambert's position as an American Airlines hub faced further pressure due to increased fuel costs and softened demand because of a depressed economy.
- To handle the increasing passenger traffic, Minoru Yamasaki was commissioned to design a new terminal at Lambert.
- Because of Lambert–St. Louis International Airport's relatively low elevation of 605 feet, planes can take off or land at Lambert–St. Louis International Airport at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
Facts about Hat Yai International Airport (HDY):
- Hat Yai International Airport handled 2,465,370 passengers last year.
- The furthest airport from Hat Yai International Airport (HDY) is Cap. FAP José A. Quiñones González International Airport (CIX), which is nearly antipodal to Hat Yai International Airport (meaning Hat Yai International Airport is almost on the exact opposite side of the Earth from Cap. FAP José A. Quiñones González International Airport), and is located 12,419 miles (19,986 kilometers) away in Chiclayo, Peru.
- Hat Yai International Airport (HDY) currently has only 1 runway.
- The closest airport to Hat Yai International Airport (HDY) is Sultan Abdul Halim Airport (AOR), which is located 51 miles (82 kilometers) S of HDY.
- Hat Yai International Airport is the major southern hub airport in Thailand, located near the city of Hat Yai.
- There are seven taxiways and an apron area of 56,461 m².
- The runway can handle 30 flights per hour and its durability is rated at PCN 60/F/C/X/T.
- In addition to being known as "Hat Yai International Airport", another name for HDY is "ท่าอากาศยานหาดใหญ่".
- Because of Hat Yai International Airport's relatively low elevation of 90 feet, planes can take off or land at Hat Yai International Airport at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.