air-routes.com

2026.09.06 (9738fd5)

      1 result

      1 direct flight
      GRR → IAH
      • Delta Air Lines (Thu, Fri, Sun); Mesa Airlines (Mon, Tue, Wed, Thu, Fri, Sat, Sun); United Airlines (Fri 06:29 · Sun 06:29); SkyWest (Mon, Tue, Wed, Thu, Fri, Sat, Sun) — nonstop, 2h 26m

      How it works — direct flights first; otherwise connections ordered preferring fewer stops (times shown are flying time only), up to seven.
      Data refreshed daily · API docs · /api/connections?from=OTP&to=BCN