Airport Travel · June 8, 2026 · 4 min read

How Early Should You Arrive at IAH? A Complete Airport Timeline

Timing your airport arrival can make or break your travel experience. Here's the complete guide for IAH.

Recommended Arrival Times:

• Domestic flights: 2 hours before departure
• International flights: 3 hours before departure
• Peak times (holidays, summer): Add 30-60 minutes

Terminal Guide:

• Terminal A: United domestic — typically fastest security
• Terminal B: Southwest, Spirit — moderate wait times
• Terminal C: United main hub — allow extra time
• Terminal D: International arrivals — customs can take 30-90 min
• Terminal E: Mixed international — varies by time of day

With AvaLimo: We track your flight and adjust pickup time automatically. No stress about traffic or timing — just show up and fly.