Best Time to Fly ORD to OKC: On-Time Stats by Hour & Airline
Chicago O'Hare International → Okc Will Rogers International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 70.1% of Chicago (ORD) to Oklahoma City (OKC) flights arrived on time (2,617 scheduled flights). That is 7.5 points below the national average of 77.6%.
Among 2 airlines, Republic Airways led with 83.2% on time and SkyWest Airlines was last with 68.8%.
Over 24 months, Monday was the most reliable day (76% on time) and June the worst month (66%).
The cancellation rate was 3.2% (US average 1.8%).
ORD to OKC 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 | 83.2% | 74 min | 0.9% | 211 |
| SkyWest Airlines | 68.8% | 84 min | 3.4% | 2,379 |
| United Airlines | Limited data | 4 | ||
| Envoy Air | Limited data | 23 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ORD to OKC
On-time arrival % by scheduled departure hour (local time), 4,891 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | Limited data | 21 | |
| 7am–8am | 83.0% | 0.0% | 94 |
| 8am–9am | 77.5% | 0.8% | 265 |
| 9am–10am | 82.1% | 0.8% | 945 |
| 10am–11am | 63.7% | 2.1% | 93 |
| 11am–12pm | Limited data | 10 | |
| 12pm–1pm | 72.7% | 0.3% | 345 |
| 1pm–2pm | 81.5% | 0.3% | 327 |
| 2pm–3pm | 68.1% | 4.2% | 311 |
| 3pm–4pm | 78.6% | 2.0% | 253 |
| 4pm–5pm | 67.7% | 2.2% | 718 |
| 5pm–6pm | 70.0% | 0.0% | 40 |
| 6pm–7pm | 58.0% | 3.9% | 309 |
| 7pm–8pm | 67.9% | 3.5% | 894 |
| 8pm–9pm | 78.0% | 3.1% | 222 |
| 9pm–10pm | 57.1% | 4.5% | 44 |
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 OKC
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) | 60.7% | -13.8 pts | 8.2% | 97 |
| Christmas & New Year (Dec 20 - Jan 3) | 76.2% | +1.8 pts | 0.6% | 165 |
| Summer peak (Jun 15 - Aug 15) | 67.8% | -6.7 pts | 1.5% | 918 |
| All other days | 74.5% | — | 2.1% | 3,711 |
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).