San Francisco (SFO) Delays in 2018

79.3% on-time departures, 74.8% on-time arrivals in 2018

175,787Flights
79.3%Departures on-time
14.2 minAvg dep. delay
74.8%Arrivals on-time
18.4 minAvg arr. delay
1.4%Cancelled

Delay causes

  • Air carrier29.2%
  • Extreme weather1.4%
  • National Aviation System23.7%
  • Security0.1%
  • Late-arriving aircraft45.6%

2017 · San Francisco (SFO) 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.