Nonstop flight route between Houston, Texas, United States and Derry, Northern Ireland, United Kingdom:
Departure Airport:

Arrival Airport:

Distance from HOU to LDY:
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- About this route
- HOU Airport Information
- LDY Airport Information
- Facts about HOU
- Facts about LDY
- Map of Nearest Airports to HOU
- List of Nearest Airports to HOU
- Map of Furthest Airports from HOU
- List of Furthest Airports from HOU
- Map of Nearest Airports to LDY
- List of Nearest Airports to LDY
- Map of Furthest Airports from LDY
- List of Furthest Airports from LDY
About this route:
A direct, nonstop flight between William P. Hobby Airport (HOU), Houston, Texas, United States and City of Derry Airport (LDY), Derry, Northern Ireland, United Kingdom would travel a Great Circle distance of 4,495 miles (or 7,234 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 William P. Hobby Airport and City of Derry 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 William P. Hobby Airport and City of Derry Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | HOU / KHOU |
Airport Names: |
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Location: | Houston, Texas, United States |
GPS Coordinates: | 29°38'44"N by 95°16'44"W |
Area Served: | Houston–The Woodlands–Sugar Land |
Operator/Owner: | City of Houston |
Elevation: | 46 feet (14 meters) |
# of Runways: | 4 |
View all routes: | Routes from HOU |
More Information: | HOU Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | LDY / EGAE |
Airport Names: |
|
Location: | Derry, Northern Ireland, United Kingdom |
GPS Coordinates: | 55°2'34"N by 7°9'42"W |
Area Served: | Derry, United Kingdom |
Operator/Owner: | Derry City Council |
Airport Type: | Public |
Elevation: | 23 feet (7 meters) |
# of Runways: | 1 |
View all routes: | Routes from LDY |
More Information: | LDY Maps & Info |
Facts about William P. Hobby Airport (HOU):
- United Airlines, Houston's other major carrier, which would subsequently be forced to compete with Southwest on proposed international routes, has objected to the expansion plans, citing a study which concludes that the change would cost the Houston area jobs and result in a net reduction in GRP.
- In 1950 Pan Am started a DC-4 nonstop to Mexico City.
- The furthest airport from William P. Hobby Airport (HOU) is Cocos (Keeling) Island Airport (CCK), which is located 11,002 miles (17,706 kilometers) away in Cocos Islands, Australia.
- William P. Hobby Airport handled 9,054,001 passengers last year.
- The closest airport to William P. Hobby Airport (HOU) is Ellington Field Joint Reserve BaseEllington Air Force BaseEllington Field (EFD), which is located only 8 miles (12 kilometers) ESE of HOU.
- Because of William P. Hobby Airport's relatively low elevation of 46 feet, planes can take off or land at William P. Hobby 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.
- William P. Hobby Airport (HOU) has 4 runways.
- In addition to being known as "William P. Hobby Airport", another name for HOU is "Houston Hobby".
Facts about City of Derry Airport (LDY):
- City of Derry Airport (LDY) currently has only 1 runway.
- After the war the base remained a military establishment until the 1950s when the Ministry of Defence returned much of the land to the original landowners.
- The Belfast to Derry single track railway line of Northern Ireland Railways passes close to but not across the tip of the runway at the North Eastern end.
- City of Derry Airport handled 384,973 passengers last year.
- The recently completed runway safety zone extension and apron works has allowed the CAA to lift the capacity restriction on aircraft operating out of the airport.
- The decrease in operational hours at the airport as a direct consequence of the challenging economic conditions have caused problems for Eglinton Flying Club and the helicopter flight training facility who in turn have threatened to leave the airport if the decisions are not reversed.
- In addition to being known as "City of Derry Airport", another name for LDY is "Londonderry/Eglinton Airport[1]".
- The closest airport to City of Derry Airport (LDY) is Belfast International Airport (BFS), which is located 46 miles (74 kilometers) SE of LDY.
- The furthest airport from City of Derry Airport (LDY) is Ryan's Creek Aerodrome (SZS), which is located 11,838 miles (19,051 kilometers) away in Stewart Island, New Zealand.
- Because of City of Derry Airport's relatively low elevation of 23 feet, planes can take off or land at City of Derry 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.