Flight Reliability
AS 487 · Alaska Airlines
Palm Springs → Portland (PSP–PDX)95% of its flights flew this route. The rest (LAX–EUG, DFW–SEA) are included in these numbers.
92
Nerd Approved
WanderNerd Reliability Score
- 92%
- Arrive within 15 minutes
- 6 min early
- Average arrival delay
- 2.2%
- Cancelled
- 19 min early
- Median arrival delay
Based on 93 historical flights. Data through May 2026.
What the data says
3–6 PM has a slight edge.
Departures between 3–6 PM arrived on time 95% of the time, against 91% between 6–9 AM.
Friday is doing you no favors.
AS 487 arrived on time 100% of the time on Tuesdays and just 83% on Fridays. That gap is worth planning around.
Better than the Alaska Airlines network average.
AS 487 arrived on time 92% of the time, versus 80% across the Alaska Airlines network.
The breakdown
- Mon94%(16 flights)
- Tue100%(10 flights)
- Wed—(8 flights)
- Thu94%(16 flights)
- Fri83%(18 flights)
- Sat—(8 flights)
- Sun93%(15 flights)
- 6–9 AM91%(58 flights)
- 3–6 PM95%(20 flights)
- 6–9 PM—(9 flights)
- 9 PM–12 AM—(4 flights)
100%
Apr
Nov 95% → Apr 100% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 95% | 20 |
| January 2026 | 93% | 14 |
| March 2026 | 77% | 13 |
| April 2026 | 100% | 20 |
- Departures on time
- 90%
- Diverted
- 0%
- Flights flown
- 91
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 93 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.