San Francisco (SFO) Delays in 2020

90.8% on-time departures, 90.3% on-time arrivals in 2020

89,394Flights
90.8%Departures on-time
6.8 minAvg dep. delay
90.3%Arrivals on-time
7.2 minAvg arr. delay
5.5%Cancelled

Delay causes

  • Air carrier47.2%
  • Extreme weather3.8%
  • National Aviation System20%
  • Security0.1%
  • Late-arriving aircraft28.8%

2019 · San Francisco (SFO) overview · 2021

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.