The flight time on your ticket is a carefully calculated estimate — and often deliberately padded. Here's what actually goes into the number airlines publish.
Block Time, Not Just Airborne Time
Airlines schedule by "block time" — the period from when the aircraft pushes back from the departure gate to when it arrives at the destination gate. That's more than just time in the air: it includes taxiing, take-off queues, and taxiing to the gate on arrival.
Distance, Speed & Winds
The core estimate comes from the route distance and the aircraft's cruising speed, adjusted for expected winds. As covered in our guide on flight direction, tailwinds shorten flights and headwinds lengthen them, so airlines factor seasonal wind patterns into their schedules.
Built-In Buffers
Airlines pad scheduled times with extra minutes — known as schedule padding — to improve on-time performance statistics and absorb routine delays like congestion and air-traffic holding. This is why you sometimes arrive "early" even on a normal flight.
Don't Forget Ground Time
For your own planning, remember that even a perfectly accurate flight time excludes getting to the airport, security, boarding, and reaching your final destination. Add several hours to the flight time for a realistic door-to-door figure.
Frequently Asked Questions
Airlines use "block time" — from gate push-back to gate arrival — based on route distance, aircraft cruising speed, and expected winds. They then add schedule padding to absorb routine delays like taxiing and air-traffic congestion, which improves on-time performance.