Flight Reliability
AS 3417 · Alaska Airlines
STS → Portland (STS–PDX)86% of its flights flew this route. The rest (SFO–SNA) are included in these numbers.
97
Nerd Approved
WanderNerd Reliability Score
- 89%
- Arrive within 15 minutes
- 0 min
- Average arrival delay
- 0%
- Cancelled
- 9 min early
- Median arrival delay
Based on 254 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
AS 3417 departing between 9 AM–12 PM arrived on time 92% of the time, versus 77% between 3–6 PM.
Sunday scaries are real for this one.
AS 3417 arrived on time 95% of the time on Thursdays. On Sundays: 82%.
Better than the Alaska Airlines network average.
AS 3417 arrived on time 89% of the time, versus 80% across the Alaska Airlines network.
It basically never cancels.
Out of 254 scheduled flights, only 0.0% were cancelled.
The breakdown
- Mon92%(37 flights)
- Tue89%(36 flights)
- Wed92%(36 flights)
- Thu95%(37 flights)
- Fri84%(37 flights)
- Sat88%(33 flights)
- Sun82%(38 flights)
- 6–9 AM90%(19 flights)
- 9 AM–12 PM92%(136 flights)
- 12–3 PM88%(64 flights)
- 3–6 PM77%(35 flights)
90%
May
Jun 90% → May 90% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 90% | 30 |
| July 2025 | 97% | 31 |
| August 2025 | 87% | 31 |
| September 2025 | 93% | 30 |
| October 2025 | 96% | 27 |
| November 2025 | 90% | 30 |
| December 2025 | 80% | 15 |
| March 2026 | 79% | 14 |
| April 2026 | 76% | 21 |
| May 2026 | 90% | 19 |
- Departures on time
- 86%
- Diverted
- 0%
- Flights flown
- 254
- Months covered
- 11
Same route, other flights
Keep nerding
Based on 254 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.