Best Time to Fly ANC to DEN: On-Time Stats by Hour & Airline
Ted Stevens Anchorage International → Denver International
Data through July 2026 · Last updated October 18, 2026
795 flights were scheduled from Anchorage (ANC) to Denver (DEN) in the last 12 months, and 82.2% of those that flew arrived on time, 4.6 points above the US average of 77.6%.
Among 3 airlines, Alaska Airlines led with 89.1% on time and Southwest Airlines was last with 57.7%.
Over 24 months, Tuesday was the most reliable day (89% on time) and January the worst month (78%).
The cancellation rate was 1.0% (US average 1.8%).
ANC 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 |
|---|---|---|---|---|
| Alaska Airlines | 89.1% | 47 min | 0.0% | 128 |
| United Airlines | 84.0% | 75 min | 1.4% | 589 |
| Southwest Airlines | 57.7% | 62 min | 0.0% | 78 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ANC to DEN
On-time arrival % by scheduled departure hour (local time), 1,399 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 1am–2am | Limited data | 18 | |
| 5am–6am | Limited data | 26 | |
| 9am–10am | 73.7% | 1.7% | 59 |
| 11am–12pm | Limited data | 10 | |
| 12pm–1pm | 72.0% | 0.0% | 82 |
| 2pm–3pm | 86.6% | 0.0% | 142 |
| 4pm–5pm | 90.3% | 0.0% | 31 |
| 10pm–11pm | 58.2% | 0.0% | 79 |
| 11pm–12am | 89.8% | 0.6% | 952 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ANC 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 | 14 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 86.4% | -1.9 pts | 2.2% | 45 |
| Summer peak (Jun 15 - Aug 15) | 81.3% | -7.0 pts | 0.6% | 473 |
| All other days | 88.3% | — | 0.7% | 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).