United Airlines Delays in 2011
81.4% of flights arrived on time in 2011
311,212Flights
81.4%On-time
11.9 minAvg delay
1.6%Cancelled
0.2%Diverted
Delay causes
- Air carrier25.2%
- Extreme weather2.9%
- National Aviation System29.9%
- Security0.1%
- Late-arriving aircraft42%
← 2010 · United Airlines overview · 2012 →
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.