FYI: Flights are on-time if they are within 15 minutes of their scheduled arriva... | Hacker News

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		mille562 on Aug 17, 2012 \| parent \| context \| favorite \| on: Software Effort Estimation Considered Harmful FYI: Flights are on-time if they are within 15 minutes of their scheduled arrival. Arriving 16 minutes early is not an on-time flight.

MattRogish on Aug 17, 2012 [–]

"A flight is counted as "on time" if it operated less than 15 minutes later the scheduled time shown in the carriers' Computerized Reservations Systems (CRS). Arrival performance is based on arrival at the gate. Departure performance is based on departure from the gate."

http://www.bts.gov/help/aviation/index.html

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