EOBT. Estimated Off Block Time. The estimated time that an aircraft will start. movement associated with departure.

What is Target Off Block Time?

The time that an aircraft operator / handling agent estimates that an aircraft will be ready, all doors closed, boarding bridge removed, push back vehicle present, ready to start up / push back immediately upon reception of clearance from the TWR .

What is flight block time?

The total amount of time a flight takes — from pushing back from the departure gate (“off-blocks”), to arriving at the destination gate (“on-blocks”) — is called “block time”, and airline block times vary for the same routes.