Do connecting flights have the same flight number?

A connection by definition means your board a different flight--which means different flight number and aircraft.



While most connecting flights have different flight numbers, it is possible for two distinct flight segments to share the same number, a practice known as a "direct flight" with a stop. In 2026, major airlines like Delta or American may use one flight number (e.g., AA55) for a route that flies from London to Chicago and then continues to Orlando. This is a legacy from early aviation when planes needed to refuel, making the journey feel like a single continuous "service." However, in modern travel, this often involves a change of aircraft at the hub airport. If your itinerary lists the same flight number for both legs, you usually do not need to check in again, but you will still have to deplane and move to a new gate. Conversely, standard "connections" where you switch from one flight number to another (e.g., Flight 101 to Flight 502) are much more common, signifying two completely independent flights that happen to be linked on your ticket for convenience.

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Airlines can schedule multiple flights with the same flight number on the same day (sometimes on the same route and sometimes on different flight segments). This varies by carrier.

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In most cases, you'll receive your boarding pass for your connecting flight already when you check in for your first flight. This means you don't have to check in again for your next flight. If you haven't received it, you can go to the transfer desk or kiosk of the airline you're flying with to collect it.

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You'll need to pick-up your luggage, then check it in again for the next flight. Top Tip: A wait at the airport between two connecting flights is called a layover. For more travel advice, check out our guide to dealing with a short layover.

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How do flight connections work? Generally, if you are on an internal flight, once you land for your stopover, you will pass through the transfer area that will take you to the gate for your next flight where check-in is not required. Your bags will be passed on to the next flight without you having to pick them.

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When checking in your luggage in most cases it will be checked through to your last stop. When arriving at the connecting airport all you have to do is to go to your next gate and wait for the next plane, your next flight. There might be a security check in the terminal at the connecting airport.

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A direct flight is identified by a unique flight number. A transit flight, with a connection, has two distinct flight numbers. A flight that is not direct, or connecting flight, involves a change of aircraft.

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Some airlines simply combine two arbitrary routes through a hub, give it the same flight number and the market it as a direct flight from A to B.

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Codeshare. In a codeshare, airlines share their aircraft with others, resulting in the flight having more than one flight number on the same sector, and either the same or different flight numbers on joined sectors.

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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.

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What is a good connection time? Travel advisers say there's a lot to take into account when booking connecting flights, but a general rule of thumb is 60-90 minutes between domestic flights and at least two to three hours for international itineraries.

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You will need to go through passport control (and customs if applicable) and then check in again as normal for your connecting flight, so please ensure you have enough time.

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Customs and immigration are usually required at the connecting airport for international flights. You don't always have to for domestic flights. In most cases, passengers on layover flights must clear customs and immigration at the first point of entry.

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In most instances, you won't need to collect your bags at this connection – they will be checked through. However, if this connection involves different airlines, your bags will only be checked through if the airlines have a codeshare or interline agreement. This information can be found on the airline's website.

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If you purposely choose to miss a connecting flight, or if you are otherwise responsible for missing it, the airline is under no obligation to pay you compensation or to rebook you. You can ask them to help you book a new flight, but this will have to come out of your own pocket.

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If a delay in your first flight is the reason you're missing your connection, don't worry too much. Usually, most airlines will rebook you on the next flight, and that too for free. Although, you might have to fly on standby depending on seat availability.

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If you miss your connecting flight, the airline will usually transfer your checked luggage to the next available flight. However, it is important to contact the airline as soon as possible so they can make sure that your bags are on their way.

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This could be while they are in the same airspace or for the entire flight. Generally speaking for scheduling airlines will only use the same flight number once per day. Its extremely unusual to see the same flight number scheduled at an airport more than once per day, though occasionally it happens during DST changes.

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Do flight numbers repeat daily? Not always daily, as many flight are not operated daily, but if your question is, whether a particular flight that is operated daily will have the same flight number every day, then the answer will generally be yes (I would imagine that there are exceptions).

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Codeshare flights For example, you can purchase a seat on a plane under one airline, but it will actually be a seat on a plane of a different airline, which shares the same flight number or code. Codeshares often happen within alliances, such as OneWorld or SkyTeam, but not always.

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