Yes, but usually the plane won't take off at all without getting lighter, the issue is in taking off, not in getting altitude once air borne. Typically in case

Yes, but usually the plane won't take off at all without getting lighter, the issue is in taking off, not in getting altitude once air borne. Typically in case of particularly high temperatures or other adverse conditions, the plane is loaded with the minimum fuel needed to reach a near airport with better conditions, so that there is an added landing and take off, and since there are added costs for this, companies try to avoid it by disembarking luggage and even passengers. The most recent case that made the news has been about disembarking some 20 people and their luggage by EasyJet: https://www.insider.com/easyjet-passengers-lanzarote-liverpool-get-off-plane-because-too-heavy-2023-7 https://www.insider.com/easyjet-passengers-lanzarote-liverpo...