Delta Air Lines Delays in 2021
88.3% of flights arrived on time in 2021
747,998Flights
88.3%On-time
8.5 minAvg delay
0.5%Cancelled
0.2%Diverted
Delay causes
- Air carrier52.3%
- Extreme weather6.2%
- National Aviation System18.3%
- Security0.4%
- Late-arriving aircraft22.8%
← 2020 · Delta Air Lines 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.