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Check-in times for flights from Miami International Airport (MIA) to George Bush Intercontinental Airport (IAH) in March vary by airline but generally start 2-3 hours before departure to allow for security screening and boarding.

While March typically sees good weather and minimal delays for flights from Miami International Airport (MIA) to George Bush Intercontinental Airport (IAH), it's always recommended to check with your airline for any potential schedule changes due to unforeseen circumstances.

Miami International Airport (MIA) offers a range of parking options including terminal garages, economy lots, and off-site parking. You can visit their official website or contact them directly for up-to-date information on availability and pricing for your trip in March.

It's recommended to arrive at Miami International Airport (MIA) at least 2 hours before your flight to George Bush Intercontinental Airport (IAH) in March to allow time for check-in, security screening, and boarding, especially during peak travel times.

Miami International Airport (MIA) offers various lounge options for travelers, including airline-specific lounges and independent lounges. Some lounges may offer access for purchase or through certain credit cards, so be sure to check with your airline or the airport for available options for your trip in March.