Airports › Chicago (ORD) › January 2025
Airport month · January 2025
Chicago O'Hare International in January 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 January 2025, reporting carriers scheduled 21,643 domestic departures from Chicago O'Hare International (ORD). 78.9% left less than 15 minutes late and 77.2% reached their destination on time; 1.8% were cancelled.
Nationally that month, 79.3% of flights departed on time and 78.6% arrived on time, so ORD departures were level with the national departure figure.
A year earlier, in January 2024, the airport had 20,321 departures with 66.4% leaving on time: a change of +12.5 points, with flights up 7%.
Flights arriving at ORD that month were on time 78.9% of the time (21,641 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 35%, air carrier 30% and national aviation system 24%.
- On time 77.2%
- Arrived 15+ minutes late 20.8%
- Cancelled 1.8%
- Diverted 0.3%
January 2025 against a year earlier, the airport's year and the nation
| Measure | Jan 2025 | Jan 2024 | ORD, 12 months to Jul 2026 | All reported flights, Jan 2025 |
|---|---|---|---|---|
| Departed on time | 78.9% | 66.4% | 71.4% | 79.3% |
| Arrived on time | 77.2% | 62.7% | 69.4% | 78.6% |
| Cancelled | 1.8% | 7.0% | 2.8% | 3.0% |
| Average departure delay (late minutes only) | 14.8 min | 25.9 min | 22.3 min | 14.0 min |
| Scheduled departures a day | 721 | 677 | 986 | 17,992 |
| Scheduled departures | 21,643 | 20,321 | 359,911 | 539,747 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| UA United Airlines | 6,637 | 31% | 81.1% | 0.6 min | 1.1% |
| OO SkyWest Airlines | 4,191 | 19% | 68.8% | 15.8 min | 2.4% |
| AA American Airlines | 3,625 | 17% | 77.2% | 1.9 min | 1.7% |
| YX Republic Airline | 2,802 | 13% | 80.5% | -2.7 min | 2.9% |
| MQ Envoy Air | 2,364 | 11% | 75.9% | 4.8 min | 1.6% |
| DL Delta Air Lines | 634 | 3% | 79.7% | 6.9 min | 1.1% |
| NK Spirit Airlines | 584 | 3% | 77.4% | 2.3 min | 1.0% |
| WN Southwest Airlines | 381 | 2% | 86.9% | -5.8 min | 2.1% |
| F9 Frontier Airlines | 224 | 1% | 72.3% | 21.8 min | 3.6% |
| AS Alaska Airlines | 148 | 1% | 71.6% | 5.1 min | 1.4% |
| B6 JetBlue Airways | 53 | 0% | 67.9% | 11.9 min | 3.8% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| ORD–LGA | Chicago to New York | 923 | 76.4% | 3.0 min | 1.5% |
| ORD–DCA | Chicago to Washington | 557 | 78.5% | -1.8 min | 5.2% |
| ORD–LAX | Chicago to Los Angeles | 520 | 84.4% | -6.6 min | 0.0% |
| ORD–DFW | Chicago to Dallas/Fort Worth | 505 | 74.9% | 2.7 min | 4.6% |
| ORD–EWR | Chicago to Newark | 501 | 80.2% | 3.7 min | 0.4% |
| ORD–BOS | Chicago to Boston | 486 | 84.0% | -5.7 min | 0.8% |
| ORD–DEN | Chicago to Denver | 468 | 81.2% | 2.2 min | 0.9% |
| ORD–MSP | Chicago to Minneapolis | 460 | 83.9% | 0.8 min | 0.0% |
| ORD–IAH | Chicago to Houston | 457 | 71.6% | 10.2 min | 3.9% |
| ORD–PHX | Chicago to Phoenix | 446 | 87.4% | -5.3 min | 0.2% |
| ORD–ATL | Chicago to Atlanta | 431 | 74.9% | 7.4 min | 5.3% |
| ORD–DTW | Chicago to Detroit | 424 | 77.8% | 12.7 min | 0.5% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left ORD on time in January 2025?
78.9% of 21,643 scheduled domestic departures left less than 15 minutes late, and 77.2% reached their destination on time. The national figures that month were 79.3% and 78.6%.
How does that compare with a year earlier?
In January 2024, 66.4% of 20,321 departures left on time and 7.0% were cancelled, against 78.9% and 1.8% in January 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for January 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.