Separate elevation from density altitude

Field elevation is a geographic height above mean sea level. Density altitude expresses the atmospheric density relevant to aircraft performance; it is not the height of a mountain or a flight level. Temperature and pressure change it, so the same airport and runway can impose different performance conditions on different days.

FAA

Why hot conditions matter

Warm air is less dense. Depending on the aircraft and conditions, take-off and climb capability can deteriorate, requiring a different allowable weight or operational plan. There is no universal temperature at which all airliners stop flying: the relevant limits depend on the aircraft, weight, airport elevation and approved performance data.

Read a runway figure in context

Length alone does not account for slope, surface condition, obstacles, wind or available declared distances. A brochure’s runway requirement has stated weight and atmospheric assumptions. It cannot be applied to a different aircraft or airport as a passenger-side safety calculation.

How to use our airport profiles

Compare elevation and coordinates as geographical context, then read the airline’s operational update for the specific flight. Our feet-to-metres conversion uses 1 ft = 0.3048 m and rounds to a whole metre. The profiles do not calculate density altitude or authorize take-off performance.

This publication combines AI-assisted news synthesis and background guides. Sources, announcement dates and material corrections are disclosed. It does not claim a reporting team on the ground.