United Airlines Delays in 2018
80.3% of flights arrived on time in 2018
621,565Flights
80.3%On-time
14.4 minAvg delay
0.8%Cancelled
0.3%Diverted
Delay causes
- Air carrier23%
- Extreme weather5.9%
- National Aviation System31.8%
- Security0%
- Late-arriving aircraft39.3%
← 2017 · United Airlines 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.