What Happens If You Miss Your Connecting Flight

If your flights are on one ticket, missing a connection is the airline’s problem to solve. They rebook you on the next available flight at no charge. If your flights are on separate tickets, it is your problem, and the second airline owes you nothing. That single distinction decides almost everything about what happens next.

The short answer

On a single ticket, the airline knows you are going to miss the connection before you land. In most cases you are already rebooked by the time you reach the gate, and a new boarding pass is waiting at the transfer desk or in the airline app. You do not pay a change fee and you do not buy a new ticket.

On separate tickets, the second flight departs without you and the fare is gone. You buy a new ticket at whatever the walk-up price is. This is the expensive version, and it is the one most travellers do not see coming.

One ticket or two: how to tell

The wording varies, so check the booking rather than trusting memory.

Booking sites that advertise “self-transfer” or “virtual interlining” are selling you separate tickets. Some include their own guarantee, which is worth reading before you rely on it, because it is a commercial promise from the booking site rather than an airline obligation.

What actually happens when you miss it

1. The system reaccommodates you before you land. Airlines track inbound delays automatically. On a single ticket, a new itinerary is often assigned while you are still in the air.
2. Check the app before you leave the aircraft. The new flight usually appears there first. If it does, go straight to the gate rather than joining the transfer desk queue.
3. If nothing has been assigned, go to the transfer desk. It is airside, so you do not clear immigration to reach it. Follow signs for connections or flight transfers, not baggage reclaim.
4. Your bags follow you. On a single ticket, checked bags are rerouted onto the new flight. They occasionally arrive on a later one, which is a delayed-bag claim rather than a lost bag.
5. Overnight is where the ticket type matters again. If the delay is the airline’s fault and you are stuck overnight, a single ticket usually brings a hotel and meal voucher. If the cause is weather or air traffic control, most airlines will rebook you but will not pay for the hotel.

Whose fault it was changes what you are owed

Rebooking and compensation are two different things. Rebooking on a single ticket happens regardless of cause. Cash compensation depends on the reason and the region.

• Airline-controlled delay such as a technical fault, crew shortage or late aircraft. You are rebooked, and on flights covered by EU or UK rules you may be owed a fixed cash payment once the delay reaching your final destination passes three hours.
• Weather or air traffic control. You are rebooked, but this counts as extraordinary and no cash compensation is due. Hotel costs are often on you.
• You arrived late at the airport. Neither rebooking nor compensation is guaranteed. Some airlines apply a flat-rate standby fee, others treat the ticket as forfeited.

Coverage follows the route, not your nationality. EU and UK rules apply to departures from those regions on any airline, and to arrivals on an EU or UK carrier. United States rules are narrower: there is no equivalent fixed payment for delays, only a refund if you decline the rebooking and choose not to travel.

What is a connecting flight?

A connecting flight is any journey where you change aircraft between your origin and your destination. The stop in between is the layover. A connection sold as one ticket carries the airline’s obligation to get you to the final destination; a connection you assembled yourself does not, even if the flight numbers and the airport are identical.

Connection and layover describe the same stop from two angles. The layover is the time on the ground. The connection is the flight you are catching after it. More on the terminology in the complete layover guide.

How to avoid it happening

• Respect the minimum connection time, then add to it. Airports publish a minimum, but it assumes everything runs on schedule. An hour is thin for international connections at a large hub. Two is comfortable. See how long a layover should be.
• Book the whole journey on one ticket. The saving on separate tickets is usually smaller than the cost of one missed connection.
• Take the earlier flight of the day. Delays accumulate as the day goes on, and there are more remaining options to rebook you onto.
• Check whether you re-clear immigration. Connecting through the United States or Canada means immigration, baggage reclaim and re-check even in transit, which eats an hour or more. See whether you go through customs on a layover.
• Tell the crew if the connection is tight. On many airlines they can arrange for you to leave the aircraft first, and occasionally they can have the connecting gate held.

Frequently asked questions