Flight Reliability
AS 3358 · Alaska Airlines
Boise → Portland (BOI–PDX)99% of its flights flew this route. The rest (LAX–LAS, SNA–SFO) are included in these numbers.
- 94%
- Arrive within 15 minutes
- 2 min early
- Average arrival delay
- 0%
- Cancelled
- 6 min early
- Median arrival delay
Based on 165 historical flights. Data through May 2026.
What the data says
Thursday is the weak spot.
AS 3358 arrived on time 100% of the time on Tuesdays. On Thursdays: 88%.
Better than the Alaska Airlines network average.
AS 3358 arrived on time 94% of the time, versus 80% across the Alaska Airlines network.
It basically never cancels.
Out of 165 scheduled flights, only 0.0% were cancelled.
Slipping a little lately.
AS 3358 arrived on time 90% of the time over the last three months in the data, compared with 96% in the three months before that.
The breakdown
- Mon91%(23 flights)
- Tue100%(24 flights)
- Wed92%(24 flights)
- Thu88%(25 flights)
- Fri100%(23 flights)
- Sat96%(23 flights)
- Sun91%(23 flights)
- 9 AM–12 PM95%(163 flights)
- 12–3 PM—(1 flights)
- 3–6 PM—(1 flights)
Jun 90% → Dec 82% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 90% | 30 |
| July 2025 | 97% | 31 |
| August 2025 | 100% | 31 |
| September 2025 | 97% | 30 |
| October 2025 | 92% | 25 |
| December 2025 | 82% | 17 |
- Departures on time
- 95%
- Diverted
- 0%
- Flights flown
- 165
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 165 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.