Airports › Chicago (ORD) › March 2024
Airport month · March 2024
Chicago O'Hare International in March 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 March 2024, reporting carriers scheduled 22,288 domestic departures from Chicago O'Hare International (ORD). 82.1% left less than 15 minutes late and 80.7% reached their destination on time; 0.4% were cancelled.
Nationally that month, 78.5% of flights departed on time and 78.3% arrived on time, so ORD departures were 3.6 points above the national departure figure.
Flights arriving at ORD that month were on time 82.6% of the time (22,289 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 39%, air carrier 29% and national aviation system 26%.
- On time 80.7%
- Arrived 15+ minutes late 18.6%
- Cancelled 0.4%
- Diverted 0.3%
March 2024 against a year earlier, the airport's year and the nation
| Measure | Mar 2024 | Year earlier | ORD, 12 months to Jul 2026 | All reported flights, Mar 2024 |
|---|---|---|---|---|
| Departed on time | 82.1% | — | 71.4% | 78.5% |
| Arrived on time | 80.7% | — | 69.4% | 78.3% |
| Cancelled | 0.4% | — | 2.8% | 0.9% |
| Average departure delay (late minutes only) | 12.4 min | — | 22.3 min | 15.7 min |
| Scheduled departures a day | 743 | — | 986 | 19,726 |
| Scheduled departures | 22,288 | — | 359,911 | 591,767 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| UA United Airlines | 7,609 | 34% | 81.4% | 1.2 min | 0.2% |
| OO SkyWest Airlines | 3,990 | 18% | 84.1% | -0.5 min | 0.6% |
| AA American Airlines | 3,910 | 18% | 73.1% | 12.3 min | 0.4% |
| MQ Envoy Air | 2,301 | 10% | 82.1% | 1.7 min | 0.4% |
| YX Republic Airline | 1,804 | 8% | 91.9% | -8.7 min | 0.3% |
| WN Southwest Airlines | 775 | 3% | 80.1% | -0.3 min | 1.5% |
| DL Delta Air Lines | 729 | 3% | 84.5% | 0.2 min | 0.1% |
| NK Spirit Airlines | 717 | 3% | 66.2% | 16.8 min | 1.1% |
| AS Alaska Airlines | 211 | 1% | 78.2% | -1.3 min | 0.9% |
| F9 Frontier Airlines | 105 | 0% | 55.2% | 25.7 min | 4.8% |
| B6 JetBlue Airways | 93 | 0% | 81.7% | -2.4 min | 1.1% |
| 9E Endeavor Air | 44 | 0% | 72.7% | 15.7 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| ORD–LGA | Chicago to New York | 898 | 79.7% | 3.3 min | 0.4% |
| ORD–PHX | Chicago to Phoenix | 598 | 81.9% | 1.8 min | 0.5% |
| ORD–MCO | Chicago to Orlando | 541 | 70.1% | 14.9 min | 1.7% |
| ORD–LAX | Chicago to Los Angeles | 537 | 79.9% | -1.8 min | 0.2% |
| ORD–DEN | Chicago to Denver | 530 | 85.3% | -2.2 min | 1.5% |
| ORD–BOS | Chicago to Boston | 509 | 83.1% | 2.5 min | 0.0% |
| ORD–DCA | Chicago to Washington | 498 | 79.1% | 6.5 min | 0.2% |
| ORD–DFW | Chicago to Dallas/Fort Worth | 488 | 76.0% | 5.1 min | 0.8% |
| ORD–EWR | Chicago to Newark | 461 | 82.9% | -0.6 min | 0.0% |
| ORD–ATL | Chicago to Atlanta | 459 | 76.7% | 5.3 min | 0.0% |
| ORD–MSP | Chicago to Minneapolis | 453 | 86.1% | -0.8 min | 0.4% |
| ORD–DTW | Chicago to Detroit | 450 | 83.8% | 3.4 min | 0.0% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left ORD on time in March 2024?
82.1% of 22,288 scheduled domestic departures left less than 15 minutes late, and 80.7% reached their destination on time. The national figures that month were 78.5% and 78.3%.
How does that compare with a year earlier?
March 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 March 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.