Boston (BOS) Delays in 2023
77.4% on-time departures, 76.1% on-time arrivals in 2023
140,517Flights
77.4%Departures on-time
18 minAvg dep. delay
76.1%Arrivals on-time
19.7 minAvg arr. delay
1.8%Cancelled
Delay causes
- Air carrier39.6%
- Extreme weather3.7%
- National Aviation System22.7%
- Security0.2%
- Late-arriving aircraft33.9%
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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.