Best Time to Fly DEN to COU: On-Time Stats by Hour & Airline
Denver International → Columbia Regional
Data through July 2026 · Last updated October 18, 2026
310 flights were scheduled from Denver (DEN) to Columbia (COU) in the last 12 months, and 83.3% of those that flew arrived on time, 5.7 points above the US average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
May has been the best month (90% on time) and Friday the weakest day of the week (77%).
1.6% of flights were cancelled, versus 1.8% nationally.
DEN to COU 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 | 83.3% | 130 min | 1.6% | 310 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DEN to COU
On-time arrival % by scheduled departure hour (local time), 310 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 1pm–2pm | Limited data | 1 | |
| 5pm–6pm | 83.2% | 1.6% | 309 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DEN to COU
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 | 7 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 15 | ||
| Summer peak (Jun 15 - Aug 15) | 78.7% | -6.0 pts | 0.0% | 47 |
| All other days | 84.8% | — | 2.1% | 241 |
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).