From 28,000 to 33,000 feet.
If a commercial passenger jet can travel up to 970 km per hour at an altitude of 30,000 feet, it would take just under 3 hours to travel 2,902 kilometers.
Passenger airplanes
Most aircraft do not travel in the stratosphere. Some military and passenger jets fly in the stratosphere, but most aircraft fly in the troposphere, below the stratosphere.
36,000 feet
Speed, altitude, and cost.
To travel
less oxegen levels and air pressure.
Airplanes reduce travel time. and they are also a safer way to travel.
3 hours, 51 minutes and 36 seconds.
The highest altitude is 8,000 ft. But depending on the aircraft, it is usually pressurized to around 6,500 to 7,000 ft.
Yes, cellphones are allowed on passenger trains, unlike airplanes.
Airplanes