We recommend that you allow the following minimum connection times: 1 hour for connections within the same Heathrow terminal.
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If you are connecting onto another flight at London Gatwick and you already hold a boarding pass for your onward flight, we recommend that you allow a minimum connection time of 60 minutes for same terminal transfers and 90 minutes if your flights arrive and depart from different terminals.
We recommend that you allow the following minimum connection times: 1 hour for connections within the same Heathrow terminal. 1 hour 30 minutes for connections that require travel between terminals at Heathrow.
If your itinerary was purchased as one ticket (as in: you have only one itinerary and one confirmation number), and the connection time was too short and you miss the second (or third) flight, you can rest easy, no matter what happens. The airline will simply put you onto the next available flight, free of charge.
Everyone who boards an aircraft at Heathrow has to be security screened to UK government standards. Even if you've already been through security checks at another airport, we're obliged to screen you again before you fly from Heathrow.
CONNECTING FLIGHTSIf your baggage is checked through to your final destination, that's where you clear customs. If you're collecting your baggage and checking in to your next flight yourself, you need to pass through customs at Heathrow.
Overall, passengers usually have to re-clear security for connecting flights, though there may be some exceptions depending on the airport and flight itinerary. To make this process easier, checking with the airline or airport ahead of time is recommended.
If you have been delayed for more than five hours and no longer wish to travel then you are entitled to a refund. If you are a transfer passenger and missed your connection flight because your first flight was delayed, you are also entitled to a flight back to your original departure point.
Two to three hours is the minimum recommended time for an international layover, but more might be needed. Sally French is a travel rewards expert who joined NerdWallet in 2020.
If you are flying on an international flight and having to go through baggage claim, customs, immigration, and security, then a one hour layover is almost certainly a bad idea.
If you can't avoid connecting, don't book the shortest layover, because you'll be building in stress and the possibility of missing your flight. A 1-hour layover is not enough anymore. Thirty minutes, not a chance. In most cases, 3 hours is safe.
If you miss your connection booked with the same airline that your were on for your first flight, and the issue is due to a delayed take off or anything else that's in the hands of your airline, it's the airline's responsibility to rebook you on the next available flight.
We recommend that you allow the following minimum connection times: 1 hour for connections within the same Heathrow terminal. 1 hour 30 minutes for connections that require travel between terminals at Heathrow.
If you checked a bag, you'll have to collect it from baggage claim from the international flight. You'll need to clear customs and immigration. Next, you'll recheck your luggage for the domestic flight.
In a passenger context, MCT is defined as the shortest time interval required in order to transfer a passenger and his luggage from one flight to a connecting flight, in a specific location or metropolitan area.
The recommended layover time for international flights is generally longer, as you will have to go through customs and immigration before boarding your next flight. In most cases, a 30-minute layover for domestic flights and an hour for international flights is considered a minimum, or short, layover.
The recommended layover time for domestic flights is normally one hour. However, as previously stated, you may require longer if your flights are booked with two different airlines, if you are traveling to a very busy airport or if you require special assistance.
If you miss your connecting flightWe will automatically rebook you to the next available British Airways flight. The oneworld Global Support team will be able to help with your journey e.g. provide up-to-date travel information, new boarding passes and, if required, overnight accommodation.