Seattle (SEA) Delays in 2018
84.3% on-time departures, 80.6% on-time arrivals in 2018
139,949Flights
84.3%Departures on-time
9.6 minAvg dep. delay
80.6%Arrivals on-time
11.3 minAvg arr. delay
0.5%Cancelled
Delay causes
- Air carrier31%
- Extreme weather3.8%
- National Aviation System30.6%
- Security0.2%
- Late-arriving aircraft34.4%
← 2017 · Seattle (SEA) overview · 2019 →
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.