How long can a plane fly on a full tank?

A modern Boeing 747 can fly about 15,000 km (9,500 miles) when it's flying at 900 kmh (550 mph). This means it can fly non stop for almost 16 hours!



The maximum flight duration on a single "full tank" of fuel depends on the aircraft's efficiency and range, but the current record for commercial aviation is approximately 19 to 20 hours. The world's longest commercial flight, operated by Singapore Airlines between Singapore and New York, utilizes the Airbus A350-900ULR (Ultra Long Range), which can fly over 9,700 nautical miles (18,000 km) non-stop. For standard long-haul wide-body jets like the Boeing 787 Dreamliner or the Airbus A380, the limit is typically around 15 to 17 hours (about 14,000–15,000 km). Smaller narrow-body planes like the Boeing 737 or Airbus A320 have much smaller tanks and can usually only fly for 5 to 7 hours (3,000–6,000 km). It is important to note that airlines never fill a plane to "absolute capacity" if they don't need to, as carrying the weight of "extra" fuel is incredibly inefficient; they calculate the exact fuel needed for the trip plus a mandatory safety reserve.

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A: This depends on the size of the plane, its efficiency, and how fast it's flying. A modern Boeing 747 can fly about 15,000 km (9,500 miles) when it's flying at 900 kmh (550 mph). This means it can fly non stop for almost 16 hours!

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