Route Reliability
Portland → Anchorage
PDX–ANC · 1,542 miles · Portland International Airport to Ted Stevens Anchorage International Airport
- 80%
- Arrive within 15 minutes
- 2 min
- Average arrival delay
- 0.2%
- Cancelled
- 1,699
- Flights in the data
Data through May 2026.
Alaska Airlines is the only airline in this data on this route, arriving on time 80% of the time across 1,699 flights. No comparison to make.
What the data says
Morning-you made the right choice.
PDX–ANC flights departing between 6–9 AM arrived on time 86% of the time, versus 74% between 9 PM–12 AM.
Skip Thursday if you can.
PDX–ANC flights arrived on time 84% of the time on Mondays. On Thursdays: 74%.
It basically never cancels.
Out of 1,699 scheduled flights, only 0.2% were cancelled.
Trending in the right direction.
PDX–ANC flights arrived on time 87% of the time over the last three months in the data, compared with 74% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon84%(250 flights)
- Tue82%(235 flights)
- Wed81%(230 flights)
- Thu74%(247 flights)
- Fri77%(249 flights)
- Sat84%(225 flights)
- Sun82%(255 flights)
- 6–9 AM86%(281 flights)
- 9 AM–12 PM80%(341 flights)
- 12–3 PM82%(297 flights)
- 3–6 PM80%(440 flights)
- 9 PM–12 AM74%(332 flights)
Jun 71% → May 88% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 71% | 149 |
| July 2025 | 74% | 155 |
| August 2025 | 81% | 155 |
| September 2025 | 93% | 150 |
| October 2025 | 75% | 151 |
| November 2025 | 88% | 146 |
| December 2025 | 57% | 139 |
| January 2026 | 83% | 116 |
| February 2026 | 83% | 114 |
| March 2026 | 86% | 143 |
| April 2026 | 87% | 127 |
| May 2026 | 88% | 146 |
Keep nerding
Based on 1,699 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.