Flight Reliability
AS 667 · Alaska Airlines
Portland → San Diego (PDX–SAN)87% of its flights flew this route. The rest (SEA–RDM) are included in these numbers.
- 77%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 0.4%
- Cancelled
- 1 min early
- Median arrival delay
Based on 225 historical flights. Data through May 2026.
What the data says
The 3–6 PM departure wins.
AS 667 departing between 3–6 PM arrived on time 79% of the time, versus 69% between 9 AM–12 PM.
Friday is doing you no favors.
AS 667 arrived on time 91% of the time on Saturdays and just 59% on Fridays. That gap is worth planning around.
A bit behind the PDX–SAN route.
AS 667 arrived on time 77% of the time, versus 81% across the PDX–SAN route.
A bit behind the Alaska Airlines network.
AS 667 arrived on time 77% of the time, versus 80% across the Alaska Airlines network.
The breakdown
- Mon79%(33 flights)
- Tue84%(32 flights)
- Wed81%(32 flights)
- Thu68%(31 flights)
- Fri59%(29 flights)
- Sat91%(32 flights)
- Sun74%(34 flights)
- 9 AM–12 PM69%(29 flights)
- 3–6 PM79%(191 flights)
- 6–9 PM—(3 flights)
Jun 55% → May 73% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 55% | 11 |
| November 2025 | 68% | 28 |
| December 2025 | 65% | 31 |
| January 2026 | 90% | 31 |
| February 2026 | 82% | 28 |
| March 2026 | 87% | 30 |
| April 2026 | 77% | 30 |
| May 2026 | 73% | 30 |
- Departures on time
- 80%
- Diverted
- 0.4%
- Flights flown
- 223
- Months covered
- 9
Same route, other flights
Keep nerding
Based on 225 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.