Flight Reliability
AS 775 · Alaska Airlines
Portland → Anchorage (PDX–ANC)
89
Pretty Reliable
WanderNerd Reliability Score
- 81%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 0%
- Cancelled
- 1 min early
- Median arrival delay
Based on 349 historical flights. Data through May 2026.
What the data says
Thursday is the weak spot.
AS 775 arrived on time 88% of the time on Tuesdays. On Thursdays: 75%.
It basically never cancels.
Out of 349 scheduled flights, only 0.0% were cancelled.
Trending in the right direction.
AS 775 arrived on time 86% of the time over the last three months in the data, compared with 74% in the three months before that.
The breakdown
- Mon84%(50 flights)
- Tue88%(50 flights)
- Wed79%(47 flights)
- Thu75%(51 flights)
- Fri78%(51 flights)
- Sat84%(51 flights)
- Sun80%(49 flights)
- 9 AM–12 PM81%(330 flights)
- 12–3 PM79%(19 flights)
84%
May
Jun 90% → May 84% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 90% | 19 |
| July 2025 | 81% | 31 |
| August 2025 | 84% | 31 |
| September 2025 | 87% | 30 |
| October 2025 | 68% | 28 |
| November 2025 | 86% | 29 |
| December 2025 | 57% | 30 |
| January 2026 | 84% | 31 |
| February 2026 | 82% | 28 |
| March 2026 | 81% | 31 |
| April 2026 | 93% | 30 |
| May 2026 | 84% | 31 |
- Departures on time
- 84%
- Diverted
- 0%
- Flights flown
- 349
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 349 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.