Flight Reliability
AS 1396 · Alaska Airlines
Austin → Portland (AUS–PDX)
84
Pretty Reliable
WanderNerd Reliability Score
- 85%
- Arrive within 15 minutes
- 3 min early
- Average arrival delay
- 1.5%
- Cancelled
- 8 min early
- Median arrival delay
Based on 336 historical flights. Data through May 2026.
What the data says
3–6 PM has a slight edge.
Departures between 3–6 PM arrived on time 87% of the time, against 81% between 6–9 PM.
Thursdays have been rough.
AS 1396 arrived on time 98% of the time on Tuesdays and just 79% on Thursdays. That gap is worth planning around.
A bit ahead of the Alaska Airlines network.
AS 1396 arrived on time 85% of the time, versus 80% across the Alaska Airlines network.
Ticking up lately.
AS 1396 arrived on time 91% of the time over the last three months in the data, compared with 85% in the three months before that.
The breakdown
- Mon88%(50 flights)
- Tue98%(43 flights)
- Wed85%(46 flights)
- Thu79%(48 flights)
- Fri85%(48 flights)
- Sat82%(45 flights)
- Sun81%(48 flights)
- 3–6 PM87%(251 flights)
- 6–9 PM81%(77 flights)
90%
May
Jun 83% → May 90% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 83% | 18 |
| July 2025 | 87% | 30 |
| August 2025 | 68% | 31 |
| September 2025 | 93% | 30 |
| October 2025 | 92% | 26 |
| November 2025 | 70% | 20 |
| December 2025 | 71% | 28 |
| January 2026 | 86% | 28 |
| February 2026 | 96% | 28 |
| March 2026 | 90% | 29 |
| April 2026 | 93% | 30 |
| May 2026 | 90% | 30 |
- Departures on time
- 81%
- Diverted
- 0.9%
- Flights flown
- 328
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 336 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.