Block is the time from brake release from the gate at the departure airport to brakes set and main cabin door open at its destination. The time that an aircraft operator or ground. An in block time calculated and issued by the atfm.
ENR 1.1 General Rules and Procedures
Estimated off block time :
Whether pushed back or just taxied straight off.
I've been on lots of regional flights (especially at busy. Block speed is the average speed of an aircraft from the time it leaves the departure gate to the time it arrives at the arrival gate. The time that an aircraft is scheduled to arrive at its first parking position. Block time officially starts when the aircraft first moves from its parking place and ends when the aircraft.
Block flying time is a term used to identify the duration of the trip. Flight time is the time from the wheel.
