Best Time to Fly ORD to MCI: On-Time Stats by Hour & Airline
Chicago O'Hare International → Kansas City International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 72.1% of Chicago (ORD) to Kansas City (MCI) flights arrived on time (4,197 scheduled flights). That is 5.5 points below the national average of 77.6%.
Republic Airways was the most punctual of the 6 airlines on the route at 79.1%, while PSA Airlines trailed at 59.0%.
September has been the best month (83% on time) and Friday the weakest day of the week (69%).
2.6% of flights were cancelled, versus 1.8% nationally.
ORD to MCI on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airways | 79.1% | 64 min | 1.8% | 565 |
| Envoy Air | 75.0% | 62 min | 3.4% | 796 |
| United Airlines | 72.2% | 73 min | 1.7% | 1,468 |
| SkyWest Airlines | 68.8% | 85 min | 4.0% | 1,081 |
| American Airlines | 62.7% | 76 min | 1.2% | 247 |
| PSA Airlines | 59.0% | 56 min | 2.5% | 40 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ORD to MCI
On-time arrival % by scheduled departure hour (local time), 7,800 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 79.7% | 2.4% | 297 |
| 7am–8am | 89.7% | 1.5% | 472 |
| 8am–9am | 82.7% | 0.8% | 911 |
| 9am–10am | 76.2% | 1.8% | 171 |
| 10am–11am | 80.9% | 1.3% | 389 |
| 11am–12pm | 82.5% | 0.7% | 144 |
| 12pm–1pm | 79.6% | 1.3% | 786 |
| 1pm–2pm | 80.1% | 3.1% | 321 |
| 2pm–3pm | 69.4% | 1.4% | 432 |
| 3pm–4pm | 74.5% | 2.2% | 763 |
| 4pm–5pm | 75.2% | 1.4% | 352 |
| 5pm–6pm | 64.9% | 4.0% | 570 |
| 6pm–7pm | 64.9% | 1.4% | 433 |
| 7pm–8pm | 59.0% | 1.5% | 342 |
| 8pm–9pm | 65.5% | 1.6% | 796 |
| 9pm–10pm | 66.3% | 3.3% | 337 |
| 10pm–11pm | 65.4% | 5.4% | 258 |
| 11pm–12am | Limited data | 26 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ORD to MCI
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 62.9% | -13.2 pts | 10.1% | 148 |
| Christmas & New Year (Dec 20 - Jan 3) | 70.3% | -5.7 pts | 0.0% | 264 |
| Summer peak (Jun 15 - Aug 15) | 67.4% | -8.6 pts | 2.0% | 1,415 |
| All other days | 76.0% | — | 1.8% | 5,973 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).