# SFO Flight Delays and Cancellations Data

> SFO flight delays and cancellations data shows 2% of flights missing departure or arrival times.
- Title: SFO Flight Delays and Cancellations Data · Sfchronicle
- Summary: SFO flight delays and cancellations data shows 2% of flights missing departure or arrival times.
- Keywords: sfo, flight delays, cancellations, historical data, flight status, Sfchronicle
- Source: Sfchronicle — https://sfchronicle.com/projects/2026/sfo-flight-delay-cancellations
- Read time: 1 min
- Topics: sfo, flight delays, cancellations, historical data, flight status, news, local
## How delays and wait times look today
The Chronicle retrieves live flight status data from SFO every five minutes.
## Origins and destinations
Airlines data covers four hours of past data and 12 hours of announced flights.
## Methodology
Historical flight data prior to may 20 2026 was provided by sfo.
## Key takeaway

SFO flight delay data reveals 2% of flights have missing departure or arrival times in historical records.