Piedmont Airlines
E809365
Piedmont Airlines is a regional American airline that operates feeder flights for major carriers, primarily under the US Airways Express and later American Eagle brands.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Allegheny Airlines | 1 |
| Piedmont Airlines canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9582890 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Piedmont Airlines Context triple: [US Airways Express, operatedBy, Piedmont Airlines]
-
A.
Eastern Airways
Eastern Airways is a British regional airline operating scheduled passenger services across the United Kingdom and parts of Europe.
-
B.
Southern Airways Express
Southern Airways Express is a U.S. regional airline operating commuter and short-haul flights across various domestic markets.
-
C.
Sunrise Airways
Sunrise Airways is a Haitian airline that operates regional passenger flights throughout the Caribbean, with its main base in Port-au-Prince.
-
D.
Sunclass Airlines
Sunclass Airlines is a Danish leisure airline that primarily operates charter flights from Scandinavia to popular holiday destinations in Europe and beyond.
-
E.
Cape Air
Cape Air is a U.S.-based regional airline known for operating short-haul commuter flights, primarily in the Northeast, Midwest, Montana, the Caribbean, and Micronesia.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Piedmont Airlines Target entity description: Piedmont Airlines is a regional American airline that operates feeder flights for major carriers, primarily under the US Airways Express and later American Eagle brands.
-
A.
Eastern Airways
Eastern Airways is a British regional airline operating scheduled passenger services across the United Kingdom and parts of Europe.
-
B.
Southern Airways Express
Southern Airways Express is a U.S. regional airline operating commuter and short-haul flights across various domestic markets.
-
C.
Sunrise Airways
Sunrise Airways is a Haitian airline that operates regional passenger flights throughout the Caribbean, with its main base in Port-au-Prince.
-
D.
Sunclass Airlines
Sunclass Airlines is a Danish leisure airline that primarily operates charter flights from Scandinavia to popular holiday destinations in Europe and beyond.
-
E.
Cape Air
Cape Air is a U.S.-based regional airline known for operating short-haul commuter flights, primarily in the Northeast, Midwest, Montana, the Caribbean, and Micronesia.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
airline
ⓘ
regional airline ⓘ |
| aircraftCategoryOperated | commuter aircraft ⓘ |
| airlineAllianceAssociation | oneworld (via American Airlines) NERFINISHED ⓘ |
| airlineType | commuter airline ⓘ |
| allianceRole | regional affiliate ⓘ |
| brandTransition | US Airways Express to American Eagle NERFINISHED ⓘ |
| businessModel | fee-for-departure carrier ⓘ |
| callsign | PIEDMONT NERFINISHED ⓘ |
| codeShareWith |
American Airlines
NERFINISHED
ⓘ
US Airways NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| fleetType |
regional jet aircraft
ⓘ
turboprop aircraft ⓘ |
| focusCity |
Harrisburg International Airport
NERFINISHED
ⓘ
Salisbury–Ocean City–Wicomico Regional Airport NERFINISHED ⓘ |
| frequentFlyerProgramUsed | AAdvantage NERFINISHED ⓘ |
| headquartersLocation | Salisbury, Maryland NERFINISHED ⓘ |
| historicalPredecessorName | Henson Airlines NERFINISHED ⓘ |
| hubAirport |
Charlotte Douglas International Airport
NERFINISHED
ⓘ
Philadelphia International Airport NERFINISHED ⓘ |
| IATACode | PT NERFINISHED ⓘ |
| ICAOCode | PDT NERFINISHED ⓘ |
| industry | aviation ⓘ |
| marketSegment | regional air transport ⓘ |
| networkFunction | feed major airline hubs ⓘ |
| operatesAsBrand |
American Eagle
NERFINISHED
ⓘ
US Airways Express NERFINISHED ⓘ |
| operatesFor |
American Airlines
NERFINISHED
ⓘ
US Airways NERFINISHED ⓘ |
| operatingRegion |
North America
NERFINISHED
ⓘ
United States East Coast NERFINISHED ⓘ |
| operationalBrand |
American Eagle
NERFINISHED
ⓘ
US Airways Express NERFINISHED ⓘ |
| operationalRole | American Eagle regional carrier ⓘ |
| ownershipStatus | wholly owned subsidiary of American Airlines Group ⓘ |
| parentCompany | American Airlines Group NERFINISHED ⓘ |
| primaryBusinessModel | capacity purchase agreement operations ⓘ |
| regulatoryEnvironment | FAA Part 121 carrier NERFINISHED ⓘ |
| serviceArea |
domestic U.S. routes
ⓘ
short-haul routes ⓘ |
| serviceClass | economy class ⓘ |
| serviceRole |
connecting traffic provider
ⓘ
hub-and-spoke feeder carrier ⓘ |
| serviceType |
feeder flights
ⓘ
regional flights ⓘ |
| ticketingCarrier | American Airlines NERFINISHED ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Piedmont Airlines Description of subject: Piedmont Airlines is a regional American airline that operates feeder flights for major carriers, primarily under the US Airways Express and later American Eagle brands.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Allegheny Airlines