Best Time to Fly DEN to ANC: On-Time Stats by Hour & Airline
Denver International → Ted Stevens Anchorage International
Data through July 2026 · Last updated October 18, 2026
795 flights were scheduled from Denver (DEN) to Anchorage (ANC) in the last 12 months, and 76.4% of those that flew arrived on time, 1.2 points below the US average of 77.6%.
Among 3 airlines, Alaska Airlines led with 83.2% on time and Southwest Airlines was last with 41.0%.
Over 24 months, Wednesday was the most reliable day (81% on time) and February the worst month (72%).
The cancellation rate was 0.0% (US average 1.8%).
DEN to ANC 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 |
|---|---|---|---|---|
| Alaska Airlines | 83.2% | 36 min | 0.0% | 128 |
| United Airlines | 79.6% | 44 min | 0.0% | 589 |
| Southwest Airlines | 41.0% | 54 min | 0.0% | 78 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DEN to ANC
On-time arrival % by scheduled departure hour (local time), 1,400 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 88.6% | 0.0% | 142 |
| 8am–9am | Limited data | 19 | |
| 9am–10am | 69.5% | 0.7% | 145 |
| 11am–12pm | 86.4% | 0.0% | 219 |
| 3pm–4pm | 81.2% | 0.0% | 32 |
| 4pm–5pm | 70.5% | 0.0% | 44 |
| 5pm–6pm | 41.0% | 0.0% | 78 |
| 7pm–8pm | 79.7% | 0.0% | 662 |
| 8pm–9pm | 69.5% | 0.0% | 59 |
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 ANC
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 | 14 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 86.7% | +6.6 pts | 0.0% | 45 |
| Summer peak (Jun 15 - Aug 15) | 72.9% | -7.2 pts | 0.2% | 474 |
| All other days | 80.0% | — | 0.0% | 867 |
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).