Flight Reliability
AS 1389 · Alaska Airlines
Portland → Los Angeles (PDX–LAX)
88
Pretty Reliable
WanderNerd Reliability Score
- 80%
- Arrive within 15 minutes
- 2 min
- Average arrival delay
- 0%
- Cancelled
- 2 min early
- Median arrival delay
Based on 153 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
AS 1389 arrived on time 90% of the time on Thursdays. On Sundays: 75%.
A bit behind the PDX–LAX route.
AS 1389 arrived on time 80% of the time, versus 87% across the PDX–LAX route.
It basically never cancels.
Out of 153 scheduled flights, only 0.0% were cancelled.
The breakdown
- Mon81%(31 flights)
- Tue—(7 flights)
- Wed—(4 flights)
- Thu90%(29 flights)
- Fri79%(29 flights)
- Sat81%(21 flights)
- Sun75%(32 flights)
83%
May
Nov 86% → May 83% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 86% | 22 |
| December 2025 | 68% | 28 |
| January 2026 | 80% | 20 |
| February 2026 | 88% | 16 |
| March 2026 | 80% | 20 |
| April 2026 | 81% | 21 |
| May 2026 | 83% | 23 |
- Departures on time
- 77%
- Diverted
- 0%
- Flights flown
- 153
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 153 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.