picktheflight
Which airlines fly your route nonstop, then book direct. No prices, no clutter.

Who flies Washington DCA → Houston (any) nonstop?

3 airlines fly Washington DCA → Houston (any) nonstop: American Airlines (IAH), Southwest Airlines (HOU) and United Airlines (IAH).

  • American Airlines: Ronald Reagan Washington National (DCA) → George Bush Intercontinental (IAH). Book direct: https://www.aa.com
  • Southwest Airlines: Ronald Reagan Washington National (DCA) → William P. Hobby (HOU). Book direct: https://www.southwest.com/
  • United Airlines: Ronald Reagan Washington National (DCA) → George Bush Intercontinental (IAH). Book direct: https://www.united.com

Data built 2026-10-12 from airline schedule tables. Schedules change. Confirm the flight on the airline's own site before booking. Machine-readable: JSON · Markdown · intents.md

🤖 Built for AI agents

An AI assistant can ask picktheflight who flies a route nonstop, or where you can fly nonstop from a city, and get the airlines back as data (the intents.md protocol), each with the airline's own booking link.

“Use picktheflight.com to see which airlines fly Zurich → London nonstop.”
GET /intents/zurich/london/intents.md/llms.txt/agents.mdMCP: picktheflight.com/mcp