Route Reliability
Anchorage → Denver
ANC–DEN · 2,405 miles · Ted Stevens Anchorage International Airport to Denver International Airport
- 85%
- Arrive within 15 minutes
- 0 min
- Average arrival delay
- 0.7%
- Cancelled
- 693
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Alaska Airlines91%128 flights
- 2.United Airlines85%548 flights
Not enough history to rank: Southwest Airlines (17 flights). We rank airlines only after 100 flights on the route.
What the data says
The late departure is the smart one here.
ANC–DEN flights departing between 9 PM–12 AM arrived on time 87% of the time, versus 74% between 9 AM–12 PM.
Monday comes out ahead.
A small edge: 87% on time on Mondays against 81% on Wednesdays.
Alaska Airlines has a slight edge here.
Alaska Airlines arrived on time 91% of the time on this route; United Airlines managed 85%.
Ticking up lately.
ANC–DEN flights arrived on time 85% of the time over the last three months in the data, compared with 78% in the three months before that.
Flights on this route
The breakdown
- Mon87%(95 flights)
- Tue85%(93 flights)
- Wed81%(95 flights)
- Thu85%(96 flights)
- Fri87%(99 flights)
- Sat87%(109 flights)
- Sun83%(100 flights)
- 12–3 AM77%(17 flights)
- 3–6 AM—(9 flights)
- 9 AM–12 PM74%(57 flights)
- 12–3 PM83%(120 flights)
- 3–6 PM—(2 flights)
- 9 PM–12 AM87%(482 flights)
Jun 91% → May 84% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 91% | 92 |
| July 2025 | 86% | 97 |
| August 2025 | 83% | 96 |
| September 2025 | 95% | 43 |
| October 2025 | 94% | 31 |
| November 2025 | 83% | 30 |
| December 2025 | 79% | 43 |
| January 2026 | 69% | 49 |
| February 2026 | 87% | 52 |
| March 2026 | 75% | 36 |
| April 2026 | 97% | 29 |
| May 2026 | 84% | 89 |
Keep nerding
Based on 693 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.