Best Time to Fly MLI to DEN: On-Time Stats by Hour & Airline
Quad Cities International → Denver International
Data through July 2026 · Last updated October 18, 2026
366 flights were scheduled from Moline (MLI) to Denver (DEN) in the last 12 months, and 83.0% of those that flew arrived on time, 5.3 points above the US average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Monday was the most reliable day (88% on time) and July the worst month (74%).
The cancellation rate was 0.3% (US average 1.8%).
MLI to DEN 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 |
|---|---|---|---|---|
| SkyWest Airlines | 83.0% | 86 min | 0.3% | 366 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MLI to DEN
On-time arrival % by scheduled departure hour (local time), 733 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | 84.3% | 0.4% | 487 |
| 9am–10am | 81.8% | 0.0% | 242 |
| 9pm–10pm | Limited data | 4 | |
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 DEN
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 | 18 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 93.3% | +9.4 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 81.3% | -2.6 pts | 0.0% | 123 |
| All other days | 83.9% | — | 0.2% | 562 |
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).