Delta Airlines · GraphQL Specification

Delta Airlines GraphQL Schema

This GraphQL schema represents the conceptual data model for Delta Air Lines' flight and travel APIs, covering the full passenger journey from flight search and booking through check-in, boarding, and loyalty program management. Access to Delta's partner APIs requires approval through the Delta developer portal at [apiportal.delta.com](https://apiportal.delta.com).

Documentation Endpoint View on GitHub Air TravelAirlinesAviationBookingFlightsNDCTravelGraphQL

Overview

Delta Airlines GraphQL Schema is a GraphQL API specification published by Delta Airlines on the APIs.io network.

This GraphQL schema represents the conceptual data model for Delta Air Lines’ flight and travel APIs, covering the full passenger journey from flight search and booking through check-in, boarding, and loyalty program management. Access to Delta’s partner APIs requires approval through the Delta developer portal at apiportal.delta.com.

The specification includes 5 reference links.

Tagged areas include Air Travel, Airlines, Aviation, Booking, and Flights.

Endpoint

References

Delta Developer Portal https://apiportal.delta.com
Delta Air Lines https://www.delta.com
NDC Standard https://www.iata.org/en/programs/airline-distribution/ndc/
SkyMiles Program https://www.delta.com/us/en/skymiles/overview
SkyTeam Alliance https://www.skyteam.com

Back to Delta Airlines · All GraphQL Specs · GitHub

Work with this as data

Every GraphQL schema here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for graphql

4 MCP tools reach this

find_graphqlBrowse and filter every GraphQL schema in the catalog.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools →

Call it yourself

curl for this page

This GraphQL schema

curl "https://apis.io/api/v1/graphql/delta-airlines-graphql"

All graphql

curl "https://apis.io/api/v1/graphql?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.