Airports › Chicago (ORD) › March 2026
Airport month · March 2026
Chicago O'Hare International in March 2026
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 2026, reporting carriers scheduled 31,373 domestic departures from Chicago O'Hare International (ORD). 65.0% left less than 15 minutes late and 61.9% reached their destination on time; 5.7% were cancelled.
Nationally that month, 72.8% of flights departed on time and 73.2% arrived on time, so ORD departures were 7.8 points below the national departure figure.
A year earlier, in March 2025, the airport had 24,580 departures with 77.3% leaving on time: a change of −12.3 points, with flights up 28%.
Flights arriving at ORD that month were on time 63.7% of the time (31,373 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 44%, air carrier 26% and national aviation system 22%.
- On time 61.9%
- Arrived 15+ minutes late 32.1%
- Cancelled 5.7%
- Diverted 0.4%
March 2026 against a year earlier, the airport's year and the nation
| Measure | Mar 2026 | Mar 2025 | ORD, 12 months to Jul 2026 | All reported flights, Mar 2026 |
|---|---|---|---|---|
| Departed on time | 65.0% | 77.3% | 71.4% | 72.8% |
| Arrived on time | 61.9% | 74.9% | 69.4% | 73.2% |
| Cancelled | 5.7% | 1.0% | 2.8% | 2.9% |
| Average departure delay (late minutes only) | 27.9 min | 17.5 min | 22.3 min | 20.3 min |
| Scheduled departures a day | 1,046 | 819 | 986 | 20,403 |
| Scheduled departures | 31,373 | 24,580 | 359,911 | 612,102 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| UA United Airlines | 8,275 | 26% | 67.6% | 18.0 min | 2.7% |
| OO SkyWest Airlines | 6,197 | 20% | 53.7% | 33.7 min | 9.0% |
| MQ Envoy Air | 5,859 | 19% | 69.3% | 10.6 min | 5.3% |
| AA American Airlines | 5,060 | 16% | 57.6% | 26.8 min | 4.9% |
| YX Republic Airline | 3,231 | 10% | 64.1% | 17.4 min | 6.6% |
| DL Delta Air Lines | 642 | 2% | 57.6% | 33.6 min | 7.9% |
| NK Spirit Airlines | 509 | 2% | 35.8% | 47.1 min | 12.4% |
| F9 Frontier Airlines | 480 | 2% | 54.2% | 41.5 min | 6.5% |
| WN Southwest Airlines | 434 | 1% | 57.8% | 28.3 min | 4.8% |
| OH PSA Airlines | 370 | 1% | 46.2% | 49.7 min | 15.9% |
| AS Alaska Airlines | 212 | 1% | 64.6% | 23.2 min | 0.9% |
| B6 JetBlue Airways | 104 | 0% | 66.3% | 21.8 min | 5.8% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| ORD–LGA | Chicago to New York | 996 | 47.9% | 35.4 min | 11.9% |
| ORD–MCO | Chicago to Orlando | 688 | 63.4% | 23.2 min | 4.8% |
| ORD–BOS | Chicago to Boston | 598 | 62.9% | 20.6 min | 5.2% |
| ORD–DCA | Chicago to Washington | 591 | 60.6% | 22.3 min | 4.9% |
| ORD–PHX | Chicago to Phoenix | 585 | 75.0% | 7.4 min | 2.9% |
| ORD–DFW | Chicago to Dallas/Fort Worth | 555 | 63.8% | 20.5 min | 3.8% |
| ORD–LAX | Chicago to Los Angeles | 549 | 72.3% | 9.5 min | 2.9% |
| ORD–MSP | Chicago to Minneapolis | 535 | 58.7% | 28.2 min | 7.7% |
| ORD–ATL | Chicago to Atlanta | 515 | 59.8% | 24.7 min | 5.8% |
| ORD–IAH | Chicago to Houston | 512 | 69.5% | 15.6 min | 3.1% |
| ORD–EWR | Chicago to Newark | 510 | 66.3% | 17.8 min | 4.7% |
| ORD–MIA | Chicago to Miami | 497 | 61.4% | 20.8 min | 4.8% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left ORD on time in March 2026?
65.0% of 31,373 scheduled domestic departures left less than 15 minutes late, and 61.9% reached their destination on time. The national figures that month were 72.8% and 73.2%.
How does that compare with a year earlier?
In March 2025, 77.3% of 24,580 departures left on time and 1.0% were cancelled, against 65.0% and 5.7% in March 2026.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for March 2026; 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.