airlines▌

Search southwest.com for available flights between two airports on given dates and return matching itineraries with four-bucket fares (Wanna Get Away / Plus / Anytime / Business Select) in dollars or Rapid Rewards points. Read-only — never books. Southwest refuses syndication to OTAs, so southwest.com is the only source of truth for these fares.

Search United Airlines flights between two airports for given dates and a trip type (one-way or round-trip), returning each result's times, duration, stops, flight numbers, cabin, fare brand, and price. Read-only — never books.

Search aa.com for available flights on a given origin/destination/date route and return each option's flight numbers, times, duration, stop count, operating carrier, and fare-class prices. Read-only — never books.