Flight Reliability
AS 1181 · Alaska Airlines
Santa Ana → Portland (SNA–PDX)81% of its flights flew this route. The rest (ITO–HNL) are included in these numbers.
- 91%
- Arrive within 15 minutes
- 0 min
- Average arrival delay
- 1.6%
- Cancelled
- 5 min early
- Median arrival delay
Based on 182 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
AS 1181 departing between 6–9 AM arrived on time 97% of the time, versus 67% between 3–6 PM.
Sunday scaries are real for this one.
AS 1181 arrived on time 100% of the time on Wednesdays and just 85% on Sundays. That gap is worth planning around.
Better than the Alaska Airlines network average.
AS 1181 arrived on time 91% of the time, versus 80% across the Alaska Airlines network.
Recent months have been rougher.
AS 1181 arrived on time 75% of the time over the last three months in the data, compared with 99% in the three months before that.
The breakdown
- Mon92%(25 flights)
- Tue92%(26 flights)
- Wed100%(26 flights)
- Thu88%(25 flights)
- Fri92%(26 flights)
- Sat88%(25 flights)
- Sun85%(26 flights)
- 6–9 AM97%(144 flights)
- 3–6 PM67%(33 flights)
- 6–9 PM—(2 flights)
Jun 97% → Apr 62% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 97% | 30 |
| July 2025 | 100% | 28 |
| August 2025 | 100% | 31 |
| September 2025 | 97% | 30 |
| October 2025 | 92% | 25 |
| March 2026 | 71% | 14 |
| April 2026 | 62% | 21 |
- Departures on time
- 93%
- Diverted
- 0%
- Flights flown
- 179
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 182 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.