Flight Reliability
AS 1322 · Alaska Airlines
STS → Seattle (STS–SEA)92% of its flights flew this route. The rest (PDX–SEA, KOA–PDX) are included in these numbers.
- 73%
- Arrive within 15 minutes
- 3 min
- Average arrival delay
- 2.0%
- Cancelled
- 6 min early
- Median arrival delay
Based on 149 historical flights. Data through May 2026.
What the data says
The 12–3 PM departure wins.
AS 1322 departing between 12–3 PM arrived on time 74% of the time, versus 60% between 9 AM–12 PM.
Friday is doing you no favors.
AS 1322 arrived on time 84% of the time on Saturdays and just 67% on Fridays. That gap is worth planning around.
Lagging the Alaska Airlines network.
AS 1322 arrived on time 73% of the time, versus 80% across the Alaska Airlines network.
Trending in the right direction.
AS 1322 arrived on time 81% of the time over the last three months in the data, compared with 64% in the three months before that.
The breakdown
- Mon73%(22 flights)
- Tue68%(22 flights)
- Wed70%(23 flights)
- Thu76%(21 flights)
- Fri67%(18 flights)
- Sat84%(19 flights)
- Sun71%(21 flights)
- 9 AM–12 PM60%(10 flights)
- 12–3 PM74%(136 flights)
Jun 60% → May 100% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 60% | 10 |
| August 2025 | 75% | 12 |
| September 2025 | 57% | 30 |
| November 2025 | 87% | 30 |
| December 2025 | 56% | 27 |
| May 2026 | 100% | 12 |
- Departures on time
- 75%
- Diverted
- 0%
- Flights flown
- 146
- Months covered
- 10
Same route, other flights
Keep nerding
Based on 149 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.