Best Time to Fly EUG to DEN: On-Time Stats by Hour & Airline
Mahlon Sweet Field → Denver International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 79.8% of Eugene (EUG) to Denver (DEN) flights arrived on time (1,267 scheduled flights). That is 2.2 points above the national average of 77.6%.
Among 3 airlines, United Airlines led with 84.6% on time and Southwest Airlines was last with 73.1%.
Over 24 months, Tuesday was the most reliable day (83% on time) and July the worst month (69%).
The cancellation rate was 0.4% (US average 1.8%).
EUG 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 |
|---|---|---|---|---|
| United Airlines | 84.6% | 95 min | 0.4% | 728 |
| SkyWest Airlines | 75.0% | 56 min | 1.2% | 85 |
| Southwest Airlines | 73.1% | 61 min | 0.2% | 454 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly EUG to DEN
On-time arrival % by scheduled departure hour (local time), 2,171 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 91.8% | 0.1% | 772 |
| 6am–7am | 94.0% | 0.0% | 134 |
| 11am–12pm | Limited data | 19 | |
| 12pm–1pm | 74.5% | 0.6% | 168 |
| 1pm–2pm | 76.4% | 0.4% | 738 |
| 2pm–3pm | 45.5% | 0.0% | 123 |
| 3pm–4pm | 71.0% | 0.0% | 93 |
| 4pm–5pm | 53.4% | 4.0% | 124 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on EUG 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) | 84.4% | +2.3 pts | 0.0% | 32 |
| Christmas & New Year (Dec 20 - Jan 3) | 71.6% | -10.5 pts | 1.3% | 75 |
| Summer peak (Jun 15 - Aug 15) | 72.5% | -9.6 pts | 0.8% | 479 |
| All other days | 82.1% | — | 0.3% | 1,585 |
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).