Connections, Transfers and What Happens When You Are Late
How connecting flights actually work, how much time is enough, what happens to your bag and what to do when things slip.
8 min read
A connecting flight sounds like two flights and is really one journey with a walk in the middle. Most of the anxiety around them comes from not knowing who is responsible for what.
Here is how the system works, and what actually happens when it does not.
One booking or two
This is the single most important distinction in air travel and hardly anyone explains it.
If both flights are on one ticket, the airline is responsible for getting you to your final destination. Miss the connection because the first flight was late, and they rebook you, usually for free.
If you booked two separate tickets to save money, they are unrelated contracts. Miss the second flight and you have simply missed a flight, and you buy a new one. That saving can vanish in a single afternoon.
How much time you need
Every airport publishes a minimum connection time, often between forty five and ninety minutes. That is the legal minimum, not a comfortable one.
On a first trip, aim for at least ninety minutes on a domestic or short-haul connection and two to three hours if you are changing terminals, clearing immigration or connecting onto a long-haul flight.
Separate tickets need much longer, because you will have to collect your bag and check in again from scratch.
- Same ticket, same terminal: ninety minutes is comfortable
- Same ticket, different terminal: two hours
- Changing airport in the same city: half a day, ideally not at all
- Separate tickets: three hours minimum, plus a plan B
What happens to your bag
On a single ticket your checked bag is normally tagged through to the final destination and you will not see it in between. Ask at the first check in desk and they will confirm.
Some countries require you to collect and recheck your bag even in transit, most notably when entering the United States. On separate tickets you always collect it.
Moving through the transfer airport
Follow the signs marked flight connections or transfers, not arrivals or baggage. If you follow arrivals by mistake you may exit through immigration and have to clear security all over again.
There is usually a transfer security check. Then find your gate on the screens and check the walking time. Large hubs can be a twenty minute stride between piers, sometimes on a train.
When the first flight is late
Tell the cabin crew you have a connection. They can sometimes let tight connections off the aircraft first and radio ahead.
If you miss it anyway, do not queue at the first desk you see. Check the airline app, which often rebooks you automatically before a human speaks to you. Also call the airline while standing in the queue, whichever answers first wins.
Delays, cancellations and what you are owed
Depending on where you fly from and which airline you use, you may be entitled to meals, accommodation and in some cases compensation. Rules in Europe and the UK are relatively generous, others less so.
Two practical habits. Keep every boarding pass and receipt, and get any promise from staff in writing or in the app. Claims are much easier with evidence and nearly impossible without.
Travel insurance often covers what the airline will not, particularly for missed connections on separate tickets.
In short
Connections are routine and delays are normal. What decides whether either becomes a problem is how your ticket was booked and how much slack you left.
Give yourself the extra hour and the whole journey becomes far less interesting, in the best possible way.