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On-time performance
Measure flights departing and arriving within 15 minutes of schedule.
Operations & supply chainAerospace & aviation
How it's worked out
- OTP = flights within 15 minutes of schedule ÷ flights operated
- 15-minute standard as used by DGCA and most regulators
NoteLate arrivals cascade through the day; protect the first wave of departures.
Source: DGCA on-time performance data; Cirium OTP methodology
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