Flight Reliability
AS 589 · Alaska Airlines
Santa Ana → Portland (SNA–PDX)95% of its flights flew this route. The rest (SFO–SEA, PAE–PHX) are included in these numbers.
94
Nerd Approved
WanderNerd Reliability Score
- 93%
- Arrive within 15 minutes
- 8 min early
- Average arrival delay
- 1.9%
- Cancelled
- 12 min early
- Median arrival delay
Based on 209 historical flights. Data through May 2026.
What the data says
The late departure is the smart one here.
AS 589 departing between 6–9 PM arrived on time 96% of the time, versus 87% between 3–6 PM.
Sunday scaries are real for this one.
AS 589 arrived on time 100% of the time on Tuesdays and just 81% on Sundays. That gap is worth planning around.
Better than the Alaska Airlines network average.
AS 589 arrived on time 93% of the time, versus 80% across the Alaska Airlines network.
The breakdown
- Mon94%(31 flights)
- Tue100%(25 flights)
- Wed100%(24 flights)
- Thu97%(30 flights)
- Fri90%(30 flights)
- Sat100%(24 flights)
- Sun81%(41 flights)
- 9 AM–12 PM—(1 flights)
- 3–6 PM87%(53 flights)
- 6–9 PM96%(151 flights)
97%
May
Nov 100% → May 97% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 100% | 27 |
| December 2025 | 93% | 30 |
| January 2026 | 95% | 20 |
| February 2026 | 100% | 23 |
| March 2026 | 87% | 30 |
| April 2026 | 100% | 29 |
| May 2026 | 97% | 30 |
- Departures on time
- 91%
- Diverted
- 0%
- Flights flown
- 205
- Months covered
- 11
Same route, other flights
Keep nerding
Based on 209 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.