Airports › Chicago (ORD) › October 2024
Airport month · October 2024
Chicago O'Hare International in October 2024
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 October 2024, reporting carriers scheduled 25,211 domestic departures from Chicago O'Hare International (ORD). 85.6% left less than 15 minutes late and 85.9% reached their destination on time; 0.4% were cancelled.
Nationally that month, 85.5% of flights departed on time and 85.8% arrived on time, so ORD departures were level with the national departure figure.
A year earlier, in October 2023, the airport had 22,812 departures with 85.4% leaving on time: a change of +0.2 points, with flights up 11%.
Flights arriving at ORD that month were on time 86.1% of the time (25,190 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 43%, late-arriving aircraft 39% and national aviation system 16%.
- On time 85.9%
- Arrived 15+ minutes late 13.6%
- Cancelled 0.4%
- Diverted 0.1%
October 2024 against a year earlier, the airport's year and the nation
| Measure | Oct 2024 | Oct 2023 | ORD, 12 months to Jul 2026 | All reported flights, Oct 2024 |
|---|---|---|---|---|
| Departed on time | 85.6% | 85.4% | 71.4% | 85.5% |
| Arrived on time | 85.9% | 83.0% | 69.4% | 85.8% |
| Cancelled | 0.4% | 0.2% | 2.8% | 1.0% |
| Average departure delay (late minutes only) | 9.2 min | 10.1 min | 22.3 min | 9.4 min |
| Scheduled departures a day | 840 | 760 | 986 | 20,517 |
| Scheduled departures | 25,211 | 22,812 | 359,911 | 615,497 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| UA United Airlines | 8,341 | 33% | 86.5% | -2.9 min | 0.6% |
| AA American Airlines | 4,895 | 19% | 83.7% | 2.2 min | 0.4% |
| OO SkyWest Airlines | 4,794 | 19% | 84.0% | 0.6 min | 0.3% |
| MQ Envoy Air | 3,096 | 12% | 87.4% | -4.0 min | 0.1% |
| YX Republic Airline | 1,304 | 5% | 93.5% | -8.8 min | 0.0% |
| DL Delta Air Lines | 1,087 | 4% | 90.2% | -8.3 min | 0.1% |
| NK Spirit Airlines | 622 | 2% | 85.9% | -5.0 min | 1.1% |
| WN Southwest Airlines | 403 | 2% | 94.0% | -11.3 min | 0.0% |
| F9 Frontier Airlines | 307 | 1% | 66.1% | 22.3 min | 2.6% |
| AS Alaska Airlines | 245 | 1% | 79.2% | -1.2 min | 0.4% |
| B6 JetBlue Airways | 114 | 0% | 81.6% | 6.2 min | 0.0% |
| 9E Endeavor Air | 3 | 0% | 100.0% | -7.7 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| ORD–LGA | Chicago to New York | 954 | 85.6% | -1.0 min | 0.0% |
| ORD–DFW | Chicago to Dallas/Fort Worth | 638 | 87.8% | -0.7 min | 0.0% |
| ORD–BOS | Chicago to Boston | 631 | 83.5% | 0.5 min | 0.0% |
| ORD–EWR | Chicago to Newark | 591 | 81.4% | 1.0 min | 0.7% |
| ORD–DEN | Chicago to Denver | 578 | 87.2% | -2.0 min | 0.0% |
| ORD–LAX | Chicago to Los Angeles | 569 | 86.1% | -5.0 min | 0.2% |
| ORD–MSP | Chicago to Minneapolis | 566 | 85.9% | -3.5 min | 0.2% |
| ORD–DTW | Chicago to Detroit | 553 | 87.3% | -4.3 min | 0.0% |
| ORD–DCA | Chicago to Washington | 549 | 84.9% | -1.2 min | 0.0% |
| ORD–ATL | Chicago to Atlanta | 516 | 88.6% | -3.9 min | 0.4% |
| ORD–LAS | Chicago to Las Vegas | 496 | 86.5% | -3.6 min | 0.0% |
| ORD–PHX | Chicago to Phoenix | 479 | 88.7% | -2.0 min | 0.2% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left ORD on time in October 2024?
85.6% of 25,211 scheduled domestic departures left less than 15 minutes late, and 85.9% reached their destination on time. The national figures that month were 85.5% and 85.8%.
How does that compare with a year earlier?
In October 2023, 85.4% of 22,812 departures left on time and 0.2% were cancelled, against 85.6% and 0.4% in October 2024.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for October 2024; 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.