Chicago (ORD) Delays in 2025
74.8% on-time departures, 74.6% on-time arrivals in 2025
327,028Flights
74.8%Departures on-time
20.5 minAvg dep. delay
74.6%Arrivals on-time
22.3 minAvg arr. delay
1.7%Cancelled
Delay causes
- Air carrier30.4%
- Extreme weather8.7%
- National Aviation System21.1%
- Security0.1%
- Late-arriving aircraft39.8%
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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.