|international flights from iah||0.84||1||3686||91|
|international flights from ahmedabad||1.99||0.8||1716||57|
|international flights from iad||0.42||0.5||6570||19|
|international nonstop flights from iah||1.51||0.5||4189||31|
|united international flights from iah||1.91||0.2||5751||76|
|direct international flights from iah||1.62||0.7||1095||25|
|delta international flights from iah||1.27||0.2||4487||25|
Arriving two hours early for international flights (saving an additional 30 minutes for passport control) with your carry-on luggage and boarding pass should be sufficient. It’s generally best to arrive two hours before domestic flights and three hours before international flights.