Flight Reliability
AS 1404 · Alaska Airlines
Portland → Santa Ana (PDX–SNA)
91
Nerd Approved
WanderNerd Reliability Score
- 87%
- Arrive within 15 minutes
- 3 min early
- Average arrival delay
- 0.9%
- Cancelled
- 6 min early
- Median arrival delay
Based on 217 historical flights. Data through May 2026.
What the data says
Saturdays have been rough.
AS 1404 arrived on time 100% of the time on Thursdays and just 80% on Saturdays. That gap is worth planning around.
A bit behind the PDX–SNA route.
AS 1404 arrived on time 87% of the time, versus 91% across the PDX–SNA route.
A bit ahead of the Alaska Airlines network.
AS 1404 arrived on time 87% of the time, versus 80% across the Alaska Airlines network.
Ticking up lately.
AS 1404 arrived on time 91% of the time over the last three months in the data, compared with 87% in the three months before that.
The breakdown
- Mon84%(31 flights)
- Tue87%(31 flights)
- Wed80%(30 flights)
- Thu100%(31 flights)
- Fri93%(30 flights)
- Sat80%(30 flights)
- Sun84%(32 flights)
97%
May
Nov 72% → May 97% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 72% | 29 |
| December 2025 | 80% | 30 |
| January 2026 | 87% | 31 |
| February 2026 | 93% | 28 |
| March 2026 | 90% | 31 |
| April 2026 | 86% | 29 |
| May 2026 | 97% | 31 |
- Departures on time
- 95%
- Diverted
- 0%
- Flights flown
- 215
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 217 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.