Best Time to Fly ORD to CWA: On-Time Stats by Hour & Airline
Chicago O'Hare International → Central Wisconsin
Data through July 2026 · Last updated October 18, 2026
1,004 flights were scheduled from Chicago (ORD) to Mosinee (CWA) in the last 12 months, and 75.9% of those that flew arrived on time, 1.7 points below the US average of 77.6%.
Envoy Air was the only reporting airline with regular flights on this route.
Over 24 months, Tuesday was the most reliable day (82% on time) and December the worst month (52%).
The cancellation rate was 4.1% (US average 1.8%).
ORD to CWA 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 | 75.9% | 62 min | 4.1% | 1,001 |
| SkyWest Airlines | Limited data | 3 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ORD to CWA
On-time arrival % by scheduled departure hour (local time), 1,319 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | Limited data | 3 | |
| 7am–8am | Limited data | 1 | |
| 8am–9am | 83.2% | 0.0% | 214 |
| 9am–10am | 78.4% | 2.0% | 152 |
| 10am–11am | Limited data | 1 | |
| 11am–12pm | 70.3% | 2.6% | 38 |
| 12pm–1pm | 77.3% | 0.0% | 44 |
| 1pm–2pm | Limited data | 16 | |
| 2pm–3pm | Limited data | 3 | |
| 3pm–4pm | 65.4% | 3.7% | 136 |
| 4pm–5pm | 76.7% | 2.5% | 198 |
| 5pm–6pm | Limited data | 2 | |
| 6pm–7pm | Limited data | 25 | |
| 7pm–8pm | Limited data | 27 | |
| 8pm–9pm | 80.2% | 3.0% | 131 |
| 10pm–11pm | 71.2% | 6.3% | 269 |
| 11pm–12am | 78.8% | 11.9% | 59 |
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 CWA
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) | 60.0% | -18.1 pts | 12.5% | 40 |
| Summer peak (Jun 15 - Aug 15) | 73.6% | -4.4 pts | 2.5% | 321 |
| All other days | 78.1% | — | 3.0% | 938 |
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).