Best Time to Fly CWA to ORD: On-Time Stats by Hour & Airline
Central Wisconsin → Chicago O'Hare International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 79.2% of Mosinee (CWA) to Chicago (ORD) flights arrived on time (1,004 scheduled flights). That is 1.6 points above the national average of 77.6%.
Envoy Air was the only reporting airline with regular flights on this route.
September has been the best month (86% on time) and Thursday the weakest day of the week (76%).
4.0% of flights were cancelled, versus 1.8% nationally.
CWA to ORD 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 |
|---|---|---|---|---|
| Envoy Air | 79.3% | 78 min | 4.0% | 1,001 |
| SkyWest Airlines | Limited data | 3 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CWA to ORD
On-time arrival % by scheduled departure hour (local time), 1,318 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 85.5% | 5.8% | 154 |
| 6am–7am | 83.5% | 0.8% | 355 |
| 7am–8am | Limited data | 1 | |
| 8am–9am | Limited data | 1 | |
| 9am–10am | 82.3% | 0.0% | 192 |
| 10am–11am | Limited data | 27 | |
| 11am–12pm | 77.0% | 3.3% | 153 |
| 1pm–2pm | 70.6% | 5.6% | 36 |
| 2pm–3pm | 81.2% | 0.0% | 48 |
| 3pm–4pm | Limited data | 12 | |
| 4pm–5pm | Limited data | 4 | |
| 5pm–6pm | 58.8% | 6.3% | 127 |
| 6pm–7pm | 73.7% | 6.8% | 192 |
| 7pm–8pm | Limited data | 16 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on CWA to ORD
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) | Limited data | 20 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 71.4% | -8.9 pts | 12.5% | 40 |
| Summer peak (Jun 15 - Aug 15) | 76.8% | -3.5 pts | 2.2% | 321 |
| All other days | 80.3% | — | 3.0% | 937 |
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).