Airports › Chicago (ORD) › April 2024
Airport month · April 2024
Chicago O'Hare International in April 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 April 2024, reporting carriers scheduled 23,646 domestic departures from Chicago O'Hare International (ORD). 81.3% left less than 15 minutes late and 79.6% reached their destination on time; 0.4% were cancelled.
Nationally that month, 80.5% of flights departed on time and 80.2% arrived on time, so ORD departures were 0.8 points above the national departure figure.
Flights arriving at ORD that month were on time 82.3% of the time (23,650 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 40%, air carrier 34% and national aviation system 22%.
- On time 79.6%
- Arrived 15+ minutes late 19.9%
- Cancelled 0.4%
- Diverted 0.2%
April 2024 against a year earlier, the airport's year and the nation
| Measure | Apr 2024 | Year earlier | ORD, 12 months to Jul 2026 | All reported flights, Apr 2024 |
|---|---|---|---|---|
| Departed on time | 81.3% | — | 71.4% | 80.5% |
| Arrived on time | 79.6% | — | 69.4% | 80.2% |
| Cancelled | 0.4% | — | 2.8% | 0.7% |
| Average departure delay (late minutes only) | 13.7 min | — | 22.3 min | 14.2 min |
| Scheduled departures a day | 788 | — | 986 | 19,406 |
| Scheduled departures | 23,646 | — | 359,911 | 582,185 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| UA United Airlines | 7,207 | 30% | 80.0% | 3.0 min | 0.3% |
| OO SkyWest Airlines | 4,859 | 21% | 79.0% | 5.6 min | 0.5% |
| AA American Airlines | 4,212 | 18% | 73.8% | 15.6 min | 0.2% |
| MQ Envoy Air | 3,008 | 13% | 81.6% | 2.1 min | 0.2% |
| YX Republic Airline | 1,523 | 6% | 90.5% | -6.7 min | 0.2% |
| DL Delta Air Lines | 886 | 4% | 82.4% | 8.6 min | 0.5% |
| WN Southwest Airlines | 750 | 3% | 82.1% | 1.0 min | 0.9% |
| NK Spirit Airlines | 681 | 3% | 79.7% | 3.0 min | 0.4% |
| AS Alaska Airlines | 258 | 1% | 79.5% | 2.2 min | 0.0% |
| F9 Frontier Airlines | 157 | 1% | 56.1% | 31.1 min | 1.9% |
| B6 JetBlue Airways | 89 | 0% | 80.9% | -1.6 min | 1.1% |
| 9E Endeavor Air | 16 | 0% | 75.0% | 9.3 min | 6.3% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| ORD–LGA | Chicago to New York | 946 | 80.4% | 3.7 min | 1.1% |
| ORD–PHX | Chicago to Phoenix | 572 | 81.1% | 5.5 min | 0.0% |
| ORD–DEN | Chicago to Denver | 556 | 76.1% | 9.1 min | 0.7% |
| ORD–BOS | Chicago to Boston | 536 | 78.2% | 6.0 min | 0.4% |
| ORD–LAX | Chicago to Los Angeles | 528 | 77.5% | 12.2 min | 0.0% |
| ORD–MSP | Chicago to Minneapolis | 514 | 76.7% | 11.9 min | 0.2% |
| ORD–MCO | Chicago to Orlando | 506 | 83.2% | -0.2 min | 1.8% |
| ORD–DFW | Chicago to Dallas/Fort Worth | 497 | 67.6% | 17.9 min | 0.8% |
| ORD–EWR | Chicago to Newark | 474 | 78.9% | 4.8 min | 0.6% |
| ORD–ATL | Chicago to Atlanta | 468 | 80.1% | 8.0 min | 0.2% |
| ORD–DTW | Chicago to Detroit | 464 | 80.2% | 8.2 min | 0.2% |
| ORD–DCA | Chicago to Washington | 460 | 73.3% | 18.4 min | 0.2% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left ORD on time in April 2024?
81.3% of 23,646 scheduled domestic departures left less than 15 minutes late, and 79.6% reached their destination on time. The national figures that month were 80.5% and 80.2%.
How does that compare with a year earlier?
April 2023 is outside the 36 months on file, or the airport had too few reported flights that month.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for April 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.