What can stop you from boarding a plane?

Who should not travel by air? Diseases that prevent you from boarding a plane
  • Chronic obstructive pulmonary disease (COPD)
  • A recent stroke.
  • Infectious diseases, such as chickenpox, influenza or even COVID-19.
  • A recent surgery.
  • A pregnancy of over 28 weeks.
  • Angina (chest pain at rest)




People Also Ask

An airline can refuse to transport a passenger for the reasons listed in its contract of carriage, a legal agreement between the passenger and airline, so long as the refusal is not discriminatory, such as: Being intoxicated or under the influence of illegal drugs.

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The most common reason for denied boarding is overbooking. This is when airlines sell more tickets than there are seats on the aircraft. The reason for this common practice is so-called 'no-shows'.

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Preboarding is available for Customers with disabilities who need a specific seat to accommodate a disability, need assistance boarding the aircraft, or need to stow an assistive device.

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Most airlines oversell flights, and sometimes this leads to airlines having to bump passengers. This can come in two forms — voluntary and involuntary denied boarding.

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It is safe to fly with high blood pressure if the medical condition is well controlled. However, if your hypertension is extremely high and unstable, it is best to avoid boarding a plane. A consultation with your doctor before flying is primordial to know if you are fit to fly.

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It's legal for airlines to overbook flights and the practice is more common than you might think. In fact, in the US, which provides the best statistics on the subject, the chance of a passenger being denied boarding because of overbooking is 1 in 1,000.

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Infectious Diseases
An airline can deny boarding of any passenger who looks unwell, especially if they suspect the passenger might be infectious (infect other passengers).

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The number of passengers denied boarding (not allowed to board flights they have tickets on) generally decreased in recent years, according to Department of Transportation (DOT) data. Combined, on an annual basis, voluntary and involuntary denied boardings account for less than 1 percent of actual passenger boardings.

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Most airlines oversell flights, and sometimes this leads to airlines having to bump passengers. This can come in two forms — voluntary and involuntary denied boarding.

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Frontier Airlines bumped the biggest proportion of passengers of the 15 largest US carriers in early 2023. Of every 10,000 Frontier passengers, 3.73 were involuntarily denied boarding due to oversales, the DOT said. Allegiant, Delta, Endeavor, and Hawaiian didn't bump any passengers in the quarter, per the DOT.

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It is recommended for travelers with blocked arteries to remain on the lookout for shortness of breath or other symptoms that would show that the situation is becoming risky. This is why a medical escort is ideal if you have a blocked artery and you need to fly.

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All passengers flying in a premium cabin get priority boarding. But the group you'll be assigned to depends on which class of service you're flying. Passengers in the front cabin board with Group 1.

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At a minimum, it identifies the passenger, the flight number, the date, and scheduled time for departure. A boarding pass may also indicate details of the perks a passenger is entitled to (e.g., lounge access, priority boarding) and is thus presented at the entrance of such facilities to show eligibility.

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