Flight Reliability
AS 1397 · Alaska Airlines
Los Angeles → Portland (LAX–PDX)
96
Nerd Approved
WanderNerd Reliability Score
- 88%
- Arrive within 15 minutes
- 6 min early
- Average arrival delay
- 0%
- Cancelled
- 13 min early
- Median arrival delay
Based on 327 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
AS 1397 arrived on time 100% of the time on Tuesdays and just 74% on Fridays. That gap is worth planning around.
Better than the Alaska Airlines network average.
AS 1397 arrived on time 88% of the time, versus 80% across the Alaska Airlines network.
It basically never cancels.
Out of 327 scheduled flights, only 0.0% were cancelled.
Trending in the right direction.
AS 1397 arrived on time 97% of the time over the last three months in the data, compared with 87% in the three months before that.
The breakdown
- Mon85%(48 flights)
- Tue100%(46 flights)
- Wed98%(47 flights)
- Thu92%(47 flights)
- Fri74%(46 flights)
- Sat92%(47 flights)
- Sun78%(46 flights)
- 3–6 PM89%(26 flights)
- 6–9 PM88%(301 flights)
100%
May
Jun 78% → May 100% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 78% | 18 |
| July 2025 | 87% | 30 |
| August 2025 | 87% | 30 |
| September 2025 | 90% | 30 |
| October 2025 | 80% | 30 |
| November 2025 | 93% | 29 |
| December 2025 | 84% | 31 |
| January 2026 | 87% | 31 |
| February 2026 | 89% | 28 |
| March 2026 | 90% | 29 |
| April 2026 | 100% | 29 |
| May 2026 | 100% | 12 |
- Departures on time
- 87%
- Diverted
- 0%
- Flights flown
- 327
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 327 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.