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Travel Radar - Aviation News > News > Aviation > Airlines > Why Do Airlines Overbook Flights & What You Can Do About It
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Why Do Airlines Overbook Flights & What You Can Do About It

Aurora Welch
Last updated: 14 July 2025 23:25
By Aurora Welch 7 Min Read
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©Ekaterina Belinskaya
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You book a flight, pick your seat, and even check in early. You did everything right so the flight should go smoothly. And then you come to the gate and there’s an announcement that the flight is overbooked and they’re looking for volunteers to give up their seats. What a nightmare. But how can this kind of mistake even happen? Or better yet, why do airlines overbook flights?

Summary
The Business Logic Behind OverbookingOverbooking in PracticePredicting No-ShowsHandling an Overbooked FlightCompensation for PassengersFlight Overbooking Step-by-StepHow Overbooking Affects TravelersConclusion

Believe it or not, overbooking isn’t a mistake but a deliberate strategy airlines use every single day. It sounds outrageous, doesn’t it? How does it make sense to sell more tickets than there are seats on the plane? Isn’t that bad business? Heck, isn’t it illegal?

Actually, no. Airlines have been doing this for decades and, in most countries, it’s perfectly legal. 

There’s a method to the madness. This is an industry where margins are razor-thin and no-shows cost millions each year. So, overbooking became one of the ways carriers stay profitable. Of course, as a passenger, you end up feeling like you’re paying the price for their calculations.

Let’s dig deeper into this.

Woman sitting on a ledge at an airport with windows behind her, holding passport in her hand and waiting for a flight
©Marko Vučilovski

The Business Logic Behind Overbooking

Overbooking sounds like a reckless move, but there’s a good (strategic) reason behind it. Every day, a certain number of passengers don’t show up for their flights. These no-shows mean empty seats and empty seats mean lost money and, as previously mentioned, profit margins are already very slim. 

Airlines rely on something called a load factor to measure how full their flights are and, the higher the factor, the more profitable the flight. If a plane has 180 seats but 10 passengers don’t show, that’s 10 seats generating zero revenue while the airline still has to pay for fuel, gas, and airport fees. 

So, to avoid this, they oversell tickets based on years of data showing how many people usually don’t turn up and, for the most part, it works perfectly. But then there are those times where more people show up than expected and that’s when overbooking goes from a smart strategy to a big problem. 

Overbooking in Practice

This is how overbooking plays out behind the scenes. 

  1. Predicting No-Shows

When it comes to overbooking, there’s no guessing. Airlines study years of booking trends to see how many passengers usually miss their flight. If a route has a 5% no-show rate, they’ll oversell by a similar margin. 

Today, AI and machine learning make these predictions even more accurate because they factor in things like seasonality, traveler habits, and even weather. 

  1. Handling an Overbooked Flight

When too many passengers arrive for a flight, airlines first ask for volunteers who are willing to take a later departure and it usually solves the problem. If that doesn’t help, they move to involuntary denied boarding, which means they choose passengers to stay behind. 

The way they choose is usually based on check-in time, ticket type, or loyalty status. It’s a last resort and it’s far from ideal, but it happens. 

  1. Compensation for Passengers

Getting bumped is not the end of the world. In Europe, UE261 regulations entitle travelers to cash payouts based on flight distance and delay time. In the U.S., DOT rules require airlines to pay up to 4 times your ticket price for involuntary denied boarding. Voluntary compensation, on the other hand, is whatever deal the airline offers. 

Rules vary worldwide, so it’s best to be familiar with them before flying.

Flight Overbooking Step-by-Step

  1. Predict No-Shows
  2. Oversell Tickets
  3. Track/Monitor Check-Ins
  4. Look For Volunteers
  5. Force Deny Onboarding (if needed)
  6. Compensate Bumped Passengers
  7. Profit!

How Overbooking Affects Travelers

Some people go into full-on panic when they get bumped, others are just mildly frustrated. This is not a pleasant experience so really, you can’t judge anyone’s reaction to it. Logistically, it means you now have to scramble for alternate flights, rearrange your hotel stay, maybe even lose precious vacation time. 

The airline will try to make it easier on you and they’ll usually offer compensation like cash, travel vouchers, hotel accommodations, possibly even seat upgrades on later flights. These perks are helpful, sure, but they don’t really make up for the disruption. The best way to deal with a situation like this is to avoid it altogether. 

You can never be 100% sure you’ll be able to do that, but there are a few things you can do. 

A man making a funny pose at an airport
©Marko Vučilovski

First, try to check in as early as possible. You should also choose direct flights, not travel during peak times (this one’s tricky, but keep it in mind), and join airline loyalty programs. This’ll lower your chances of being bumped, which is especially important if you’re flying to popular vacation spots like Orlando, Cancun, or even a beach town like Panama City Beach. 

Another thing you can do to make your stay more flexible is avoid hotels. Since we’ve already mentioned it, let’s take Panama City Beach as an example – you can book a vacation rental near Pier Park in Panama City Beach instead of a hotel in the same city, because then you don’t have to deal with strict check-in times and lost hotel nights.

Conclusion

For an airline, an empty seat is the ultimate enemy, so they do what they can to prevent them. Unfortunately for passengers, the way they fight empty seats is they overbook their flights. Sometimes that works like a charm, other times you get drama at the gate. 

But even if your flight ends up being overbooked, it’s okay. You might still get on and, even if you don’t, try to make the most out of the mini-adventure (and the compensation) you’re forced to have.

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Aurora Welch
By Aurora Welch
Aviation Reporter - Aurora has over five year's experience contributing to the biggest media outlets including Forbes, CNN and CBS. Passionate for airline economics, airline safety and aerodrome regulations, Aurora contributes breaking news to the Travel Radar newsdesk, sharing her vast industry experience.
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