A connecting flight means your journey includes two or more flights instead of one direct flight. You land at an intermediate airport, leave your first aircraft, and continue your journey on another flight.
Connecting flights can sometimes cost less or give you more route options. But they also raise practical questions. How long should your layover be? Do you collect your baggage? What happens if your first flight is delayed?
I decided to write this guide after coming across several traveller questions about connecting flights, especially around baggage and missed connections. I checked airline baggage guidance and International Air Transport Association information to separate common assumptions from rules that can vary by airline and airport. I have kept the advice practical so you can check the important details before booking.
This guide is for anyone booking a connecting flight, especially travellers flying internationally or travelling with checked baggage.
Table of Contents
What Is a Connecting Flight?
A connecting flight is a journey where you take more than one flight to reach your final destination.
For example, if you are travelling from Melbourne to Delhi, your itinerary could be:
Melbourne → Doha → Delhi
In this example, Doha is your connecting airport. You leave the first aircraft, follow the transfer process, and board another aircraft to Delhi.
Your connection may involve the same airline, partner airlines, or different airlines. This distinction matters because the rules for baggage and missed connections can change.
What Is a Layover?
A layover is the time between your arriving flight and your next departing flight.
For example, if your first flight arrives at 6:00 pm and your next flight leaves at 9:00 pm, you have a 3-hour layover.
Your layover gives you time to complete the required transfer process. Depending on the airport and itinerary, you may need to:
- Walk to another gate or terminal
- Complete security screening
- Pass immigration or border control
- Collect and re-check baggage
- Find your next departure gate
Do not judge a connection only by the number of hours shown on the ticket. Airport layout, terminal changes and border procedures can affect how long the transfer takes.
How Long Should a Layover Be?
There is no single layover time that works for every journey.
A 90-minute connection at one airport can be very different from a 90-minute connection at another.
When choosing a connection, check:
- Whether you change terminals
- Whether you need immigration or security screening
- Whether you must collect your baggage
- Whether both flights are on one booking
- Whether you are travelling internationally or domestically
- The airport’s minimum connecting time
If you have checked baggage or are travelling internationally, leaving more time between connecting flights can reduce the pressure of a delay on the first flight.
Do You Have to Collect Your Baggage?
Sometimes, yes. Sometimes, no.
If your flights are booked under one ticket, your checked baggage may be tagged through to your final destination. However, this depends on the airlines, airport, itinerary and local requirements.
For example, some international-to-domestic connections require you to collect your baggage after clearing customs and then check it in again.
Your baggage tag normally shows the airport where your bag is checked through. Ask the check-in staff before leaving the departure airport if you are unsure.
On separate tickets, you should be more careful. Airlines may not transfer your baggage between unrelated bookings. IATA guidance also notes that through-checking baggage on separate tickets generally requires an agreement between the airlines.
What Happens During a Baggage Transfer?
If your bag is checked through, airport baggage systems move it from your arriving flight to your next flight.
The process depends on the airport and connection.
Baggage transfer points are important because tight connections give baggage handlers less time to move bags between aircraft. IATA reports that 41% of baggage mishandling occurs during transfers.
Keep important items in your cabin baggage. This can include medication, travel documents, valuables and anything you may need during the journey.
What Happens If You Miss Your Connecting Flight?
Your options depend heavily on how you booked the flights.
If both flights are on the same ticket and the airline causes the missed connection, contact the airline as soon as possible. The airline may arrange another flight according to the applicable fare and passenger protection rules.
If you booked two separate tickets, the situation can be different. The second airline may treat you as a passenger who failed to arrive for the flight. You may need to pay for a new ticket.
This is one reason self-transfer itineraries require more planning.
What Is a Self-Transfer?
A self-transfer means you have booked separate flights and are responsible for connecting between them.
For example:
Ticket 1: Sydney → Singapore
Ticket 2: Singapore → Mumbai
Even though the flights appear to form one journey, they may not be treated as a protected connection.
You may need to:
- Collect your baggage
- Clear immigration
- Check in again
- Drop your baggage again
- Pass security
- Reach the departure gate
Allow extra time if you choose this type of itinerary.
What Should You Do If Your Baggage Does Not Arrive?
Do not leave the airport without reporting missing checked baggage.
Go to the airline’s baggage service desk and file a missing baggage report. Keep your baggage tag and report reference.
IATA advises passengers to report missing baggage in the baggage reclaim area before leaving the airport.
Also keep essential items such as medication, important documents and valuables in your cabin baggage whenever possible.
How to Reduce Problems With Connecting Flights
Before booking, check:
- Whether the flights are on one ticket
- The length of the layover
- Terminal changes
- Baggage transfer requirements
- Visa or transit requirements
- Whether you need to clear customs
- The airline’s missed connection policy
- The baggage allowance for each flight
At check-in, ask where your baggage is tagged. Then check the baggage tag yourself.
These few checks can prevent confusion later.
Frequently Asked Questions
Is a 1-hour layover enough for a connecting flight?
It can be enough for some connections, but it depends on the airport, terminals, security procedures and whether the airline has sold the itinerary as a valid connection. For international journeys, check the airport and airline requirements before choosing a short connection.
Do I need a visa for a connecting flight?
It depends on your nationality, transit airport, itinerary and whether you need to pass immigration. Always check the current transit requirements for the country where you connect.
What happens if my first flight is delayed?
If your flights are on one ticket and the delay causes you to miss the connection, contact the airline or transfer desk for assistance. If you booked separate tickets, you may be responsible for arranging and paying for the next flight.
Is it safer to book connecting flights on one ticket?
Generally, a single-ticket itinerary gives you stronger protection when the airline’s disruption causes you to miss the connection. However, the exact assistance available depends on the airline, fare conditions and applicable passenger rights.