No, Miami Air International has no scheduled flights out of London Heathrow. However, Miami Air International does fly out of Heihe. There are also other airline options to choose from if you still want to book a flight from London Heathrow. China Southern, for example, is an airline that flies out of London Heathrow on a regular basis.
To check the flight status of Miami Air International, you can give them a call at +1 (877) 535-9624 or visit their website at kayak.com. Or, you can use our on-page Flight Tracker that provides you with real-time Miami Air International flight information, including terminal and gate number, arrival and departure times, and flight status.