Best Time to Fly MLI to ORD: On-Time Stats by Hour & Airline
Quad Cities International → Chicago O'Hare International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 72.6% of Moline (MLI) to Chicago (ORD) flights arrived on time (2,264 scheduled flights). That is 5.0 points below the national average of 77.6%.
Among 2 airlines, Envoy Air led with 77.2% on time and SkyWest Airlines was last with 71.0%.
Over 24 months, Tuesday was the most reliable day (80% on time) and February the worst month (64%).
The cancellation rate was 5.1% (US average 1.8%).
MLI 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 | 77.2% | 65 min | 3.0% | 601 |
| SkyWest Airlines | 71.0% | 114 min | 5.9% | 1,653 |
| Republic Airways | Limited data | 10 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MLI to ORD
On-time arrival % by scheduled departure hour (local time), 3,804 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 78.7% | 4.7% | 64 |
| 6am–7am | 83.3% | 2.4% | 923 |
| 7am–8am | 75.6% | 2.2% | 46 |
| 8am–9am | 73.2% | 3.9% | 155 |
| 9am–10am | Limited data | 31 | |
| 10am–11am | 78.8% | 2.6% | 624 |
| 11am–12pm | 79.2% | 1.4% | 360 |
| 12pm–1pm | 75.8% | 1.6% | 63 |
| 1pm–2pm | 75.0% | 3.8% | 185 |
| 2pm–3pm | 66.1% | 0.0% | 56 |
| 3pm–4pm | 67.8% | 2.4% | 372 |
| 5pm–6pm | 55.4% | 4.5% | 401 |
| 6pm–7pm | 61.8% | 6.7% | 418 |
| 7pm–8pm | 58.7% | 18.5% | 92 |
| 8pm–9pm | Limited data | 14 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on MLI 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) | 59.7% | -14.2 pts | 17.3% | 75 |
| Christmas & New Year (Dec 20 - Jan 3) | 70.3% | -3.6 pts | 1.7% | 120 |
| Summer peak (Jun 15 - Aug 15) | 72.6% | -1.3 pts | 4.2% | 670 |
| All other days | 73.9% | — | 3.3% | 2,939 |
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).