Boston (BOS) Delays in 2024
79.7% on-time departures, 77.2% on-time arrivals in 2024
143,490Flights
79.7%Departures on-time
15.7 minAvg dep. delay
77.2%Arrivals on-time
18.1 minAvg arr. delay
1.5%Cancelled
Delay causes
- Air carrier36.2%
- Extreme weather3.3%
- National Aviation System24.4%
- Security0.2%
- Late-arriving aircraft35.8%
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On-time = arrival within 15 minutes of schedule, per U.S. DOT definitions. Source: Bureau of Transportation Statistics (public domain). Delay-cause attribution is reported by carriers since June 2003.