Airports › Chicago (ORD) › July 2025
Airport month · July 2025
Chicago O'Hare International in July 2025
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.
In July 2025, reporting carriers scheduled 30,503 domestic departures from Chicago O'Hare International (ORD). 62.9% left less than 15 minutes late and 62.0% reached their destination on time; 2.6% were cancelled.
Nationally that month, 69.7% of flights departed on time and 69.0% arrived on time, so ORD departures were 6.8 points below the national departure figure.
A year earlier, in July 2024, the airport had 24,531 departures with 66.6% leaving on time: a change of −3.7 points, with flights up 24%.
Flights arriving at ORD that month were on time 63.0% of the time (30,507 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 44%, air carrier 30% and national aviation system 18%.
- On time 62.0%
- Arrived 15+ minutes late 35.0%
- Cancelled 2.6%
- Diverted 0.4%
July 2025 against a year earlier, the airport's year and the nation
| Measure | Jul 2025 | Jul 2024 | ORD, 12 months to Jul 2026 | All reported flights, Jul 2025 |
|---|---|---|---|---|
| Departed on time | 62.9% | 66.6% | 71.4% | 69.7% |
| Arrived on time | 62.0% | 64.8% | 69.4% | 69.0% |
| Cancelled | 2.6% | 2.6% | 2.8% | 2.5% |
| Average departure delay (late minutes only) | 30.7 min | 27.4 min | 22.3 min | 24.3 min |
| Scheduled departures a day | 1,017 | 818 | 986 | 21,048 |
| Scheduled departures | 30,503 | 24,531 | 359,911 | 631,428 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| UA United Airlines | 8,539 | 28% | 63.3% | 23.6 min | 1.4% |
| OO SkyWest Airlines | 6,477 | 21% | 59.4% | 29.4 min | 2.4% |
| AA American Airlines | 5,846 | 19% | 57.1% | 31.8 min | 4.5% |
| MQ Envoy Air | 4,519 | 15% | 65.7% | 14.3 min | 2.3% |
| YX Republic Airline | 2,015 | 7% | 68.1% | 16.3 min | 2.6% |
| DL Delta Air Lines | 1,078 | 4% | 69.1% | 19.5 min | 2.6% |
| NK Spirit Airlines | 519 | 2% | 68.0% | 14.5 min | 1.5% |
| WN Southwest Airlines | 433 | 1% | 57.5% | 21.3 min | 1.2% |
| AS Alaska Airlines | 365 | 1% | 67.1% | 11.3 min | 1.4% |
| F9 Frontier Airlines | 331 | 1% | 54.4% | 37.8 min | 3.9% |
| OH PSA Airlines | 272 | 1% | 48.5% | 68.3 min | 6.6% |
| B6 JetBlue Airways | 109 | 0% | 59.6% | 27.0 min | 10.1% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| ORD–LGA | Chicago to New York | 1,011 | 59.2% | 30.2 min | 6.4% |
| ORD–LAX | Chicago to Los Angeles | 687 | 65.9% | 17.9 min | 3.6% |
| ORD–BOS | Chicago to Boston | 673 | 62.1% | 18.0 min | 2.8% |
| ORD–DFW | Chicago to Dallas/Fort Worth | 650 | 60.2% | 31.3 min | 4.5% |
| ORD–SEA | Chicago to Seattle | 622 | 65.6% | 18.4 min | 1.3% |
| ORD–DCA | Chicago to Washington | 589 | 53.8% | 48.5 min | 5.8% |
| ORD–DEN | Chicago to Denver | 583 | 63.5% | 27.0 min | 2.9% |
| ORD–ATL | Chicago to Atlanta | 569 | 63.8% | 19.9 min | 2.3% |
| ORD–MSP | Chicago to Minneapolis | 544 | 64.9% | 21.8 min | 2.0% |
| ORD–DTW | Chicago to Detroit | 536 | 62.5% | 22.3 min | 2.6% |
| ORD–SFO | Chicago to San Francisco | 534 | 62.4% | 19.9 min | 2.6% |
| ORD–IAH | Chicago to Houston | 516 | 62.0% | 22.3 min | 2.1% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left ORD on time in July 2025?
62.9% of 30,503 scheduled domestic departures left less than 15 minutes late, and 62.0% reached their destination on time. The national figures that month were 69.7% and 69.0%.
How does that compare with a year earlier?
In July 2024, 66.6% of 24,531 departures left on time and 2.6% were cancelled, against 62.9% and 2.6% in July 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for July 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for ORD · methodology · corrections.