Why do planes take long to take off?

Key factors that affect airplane takeoff speed (sometimes referred to as its rotation speed) include: direction of airflow, the airplane's shape (especially its wings), the airplane's size, and its weight.



The delay in a plane taking off is rarely about the "engine start" and more about complex airspace management and safety protocols. Once a plane pushes back, it must join a "taxi queue" managed by Ground Control. At busy hubs like JFK or Heathrow, there may be 20 planes ahead of yours. Before the "throttle is pushed," pilots must complete dozens of checklists, verify weight and balance, and wait for a specific "takeoff slot" from Air Traffic Control (ATC). ATC must ensure proper "wake turbulence separation"—the larger the plane in front of you, the longer your plane must wait for the air to settle. Weather is also a factor; even if it's clear at your airport, a storm 50 miles away can slow down the "departure corridor." Additionally, the physical act of taxiing at large airports can take 20 minutes because the runways are miles away from the terminal. In 2026, while AI is helping to optimize these queues, the fundamental requirement for safety and air-space separation means that the "wait on the tarmac" remains an unavoidable part of flying.

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Technically this is the so-called 'stall speed', where air passes over the wings fast enough to sustain altitude, and for small planes this can be less than 50km/h (31mph). But at such low speeds, the aircraft is easily destabilised, and could fail to leave the runway.

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In jet aircraft, an overspeed results when the axial compressor exceeds its maximal operating rotational speed. This often leads to the mechanical failure of turbine blades, flameout and total destruction of the engine.

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A lot of airports have restrictions on night flights because of noise issues. Also some smaller domestic airports close at night. There are a few that leave late at night in order to take advantage of the time difference in the arrival city. There aren't more because there isn't much demand for them.

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So in summary, the sinking feeling you get after takeoff is a result of your inner ear's response to the sudden change in acceleration and gravity as the plane leaves the ground. It's a completely normal sensation and nothing to be concerned about.

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The Boeing 747 is considered to have the longest takeoff distance of the more common aircraft types and has set the standard for runway lengths of larger international airports. At sea level, 3,200 m (10,500 ft) can be considered an adequate length to land virtually any aircraft.

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Whether flying at night or during the day, pilots need to see some kind of horizon. They use this to determine the airplane's attitude. At night pilots will turn their gaze from outside to inside and use the artificial horizon. The artificial horizon is normally a simply globe split into two hemispheres.

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Accident statistics suggest that flying by night accounts for about 10% of the general aviation accidents, but 30% of the fatalities. That suggests night flying must be inherently more dangerous than aviating when the sun is up.

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All pilots have to do is follow the beams down to 200 feet above the ground, at which point they must be able to see the runway and its approach lights. If not, by federal law, they must climb back up into the soup and decide whether they want to try another approach or go to an alternate airport.

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Hazardous weather conditions and larger weather systems can occur over bodies of water. These include thunderstorms, which are extremely hazardous to flights.

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The word heavy means a larger aircraft type, with a Maximum Takeoff Weight of 160 tonnes or more. These aircraft create wake turbulence from their wings and require extra separation between following aircraft, and the use of heavy reminds other pilots of that fact.

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The biggest reason for flying at higher altitudes lies in fuel efficiency. The thin air creates less drag on the aircraft, which means the plane can use less fuel in order to maintain speed. Less wind resistance, more power, less effort, so to speak.

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