Best Time to Fly MSN to ORD: On-Time Stats by Hour & Airline
Dane County Regional-Truax Field → Chicago O'Hare International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 72.7% of Madison (MSN) to Chicago (ORD) flights arrived on time (4,103 scheduled flights). That is 5.0 points below the national average of 77.6%.
Envoy Air was the most punctual of the 5 airlines on the route at 80.1%, while PSA Airlines trailed at 33.7%.
September has been the best month (81% on time) and Sunday the weakest day of the week (70%).
3.9% of flights were cancelled, versus 1.8% nationally.
MSN 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 | 80.1% | 77 min | 3.5% | 1,141 |
| Republic Airways | 76.0% | 82 min | 2.7% | 591 |
| United Airlines | 72.7% | 68 min | 2.5% | 962 |
| SkyWest Airlines | 67.4% | 108 min | 5.1% | 1,301 |
| PSA Airlines | 33.7% | 165 min | 12.0% | 108 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MSN to ORD
On-time arrival % by scheduled departure hour (local time), 6,635 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 90.0% | 2.6% | 618 |
| 6am–7am | 81.9% | 2.3% | 881 |
| 7am–8am | 81.1% | 1.5% | 134 |
| 8am–9am | 78.6% | 1.7% | 712 |
| 9am–10am | 80.2% | 1.6% | 256 |
| 10am–11am | 83.6% | 0.7% | 560 |
| 11am–12pm | 68.2% | 1.5% | 131 |
| 12pm–1pm | 70.6% | 2.5% | 405 |
| 1pm–2pm | 75.6% | 2.3% | 348 |
| 2pm–3pm | 75.7% | 2.2% | 506 |
| 3pm–4pm | 65.0% | 1.5% | 719 |
| 4pm–5pm | 60.0% | 5.8% | 154 |
| 5pm–6pm | 54.8% | 4.3% | 529 |
| 6pm–7pm | 63.4% | 4.6% | 412 |
| 7pm–8pm | Limited data | 16 | |
| 8pm–9pm | 65.2% | 11.2% | 249 |
| 9pm–10pm | Limited data | 5 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on MSN 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) | 52.9% | -21.6 pts | 17.1% | 123 |
| Christmas & New Year (Dec 20 - Jan 3) | 67.1% | -7.5 pts | 2.0% | 251 |
| Summer peak (Jun 15 - Aug 15) | 76.6% | +2.0 pts | 2.4% | 1,149 |
| All other days | 74.6% | — | 2.5% | 5,112 |
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).