ORIGIN AIRPORT REPORT
ORD
Chicago, IL (ORD) departure reliability
Of 357,404 scheduled reportable flights departing ORD, 68.8% arrived on time, 19.8% arrived at least 30 minutes late, and 2.7% were cancelled during July 2025–June 2026.
Source: U.S. Bureau of Transportation Statistics · Origin-airport cohort · Updated September 16, 2026
HISTORICAL ROUTE SIGNALVariable
68.8%arrived on time
19.8%30+ min late
2.7%cancelled
357,404scheduled flights
MOST-FLOWN DIRECTIONS
ALL ROUTES →Which route from ORD had the largest sample?
ORD to LGA was ORD's largest published route sample, with 11,625 scheduled flights and a 63.7% on-time rate during July 2025–June 2026.
ORD→LGAChicago, IL (ORD) to New York, NY (LGA)11,625 flights analyzedHigher disruption63.7%on timeORD→BOSChicago, IL (ORD) to Boston, MA (BOS)7,642 flights analyzedVariable65.6%on timeORD→DCAChicago, IL (ORD) to Washington, DC (DCA)6,987 flights analyzedVariable66.6%on timeORD→LAXChicago, IL (ORD) to Los Angeles, CA (LAX)6,961 flights analyzedGenerally reliable71.3%on timeORD→DFWChicago, IL (ORD) to Dallas/Fort Worth, TX (DFW)6,955 flights analyzedVariable67.0%on timeORD→ATLChicago, IL (ORD) to Atlanta, GA (ATL)6,409 flights analyzedGenerally reliable73.2%on timeORD→MCOChicago, IL (ORD) to Orlando, FL (MCO)6,347 flights analyzedGenerally reliable70.7%on timeORD→MSPChicago, IL (ORD) to Minneapolis, MN (MSP)6,324 flights analyzedVariable68.0%on timeORD→DENChicago, IL (ORD) to Denver, CO (DEN)6,169 flights analyzedGenerally reliable73.0%on timeORD→IAHChicago, IL (ORD) to Houston, TX (IAH)6,077 flights analyzedGenerally reliable73.8%on timeORD→EWRChicago, IL (ORD) to Newark, NJ (EWR)6,044 flights analyzedVariable67.0%on timeORD→DTWChicago, IL (ORD) to Detroit, MI (DTW)5,956 flights analyzedVariable68.4%on timeORD→SFOChicago, IL (ORD) to San Francisco, CA (SFO)5,627 flights analyzedVariable66.7%on timeORD→PHXChicago, IL (ORD) to Phoenix, AZ (PHX)5,594 flights analyzedGenerally reliable71.4%on timeORD→SEAChicago, IL (ORD) to Seattle, WA (SEA)5,572 flights analyzedVariable67.3%on time
Which airline was most reliable departing ORD?
Among qualifying ORD airline departure results, JetBlue Airways had the highest on-time rate: 74.8% of 1,105 flights. PSA Airlines was lowest at 55.7% across 3,385 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| United Airlines | 99,843 | 72.0% | 17.7% | 1.2% |
| SkyWest Airlines | 76,556 | 63.1% | 23.7% | 3.8% |
| American Airlines | 60,749 | 64.8% | 23.4% | 2.7% |
| Envoy Air | 57,088 | 73.8% | 15.6% | 2.8% |
| Republic Airways | 32,164 | 73.3% | 16.0% | 3.6% |
| Delta Air Lines | 10,543 | 71.0% | 18.2% | 2.7% |
| Spirit Airlines | 4,581 | 62.5% | 24.6% | 4.9% |
| Frontier Airlines | 4,157 | 65.0% | 23.2% | 3.4% |
| Southwest Airlines | 3,980 | 68.9% | 19.2% | 1.3% |
| PSA Airlines | 3,385 | 55.7% | 29.8% | 6.8% |
| Alaska Airlines | 3,253 | 67.7% | 18.6% | 1.8% |
| JetBlue Airways | 1,105 | 74.8% | 14.8% | 3.5% |
Origin report, not airport-wide operations.
These figures summarize the reported scheduled passenger flights in the dataset, not every flight or every airport process.