United Airlines Delays in 2021
82.5% of flights arrived on time in 2021
446,837Flights
82.5%On-time
12.2 minAvg delay
1.4%Cancelled
0.2%Diverted
Delay causes
- Air carrier31.8%
- Extreme weather7.5%
- National Aviation System23.2%
- Security0%
- Late-arriving aircraft37.6%
← 2020 · United Airlines overview · 2022 →
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.