Flight Reliability
AS 596 · Alaska Airlines
Las Vegas → Portland (LAS–PDX)
96
Nerd Approved
WanderNerd Reliability Score
- 90%
- Arrive within 15 minutes
- 6 min early
- Average arrival delay
- 0.5%
- Cancelled
- 12 min early
- Median arrival delay
Based on 195 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
AS 596 arrived on time 97% of the time on Thursdays. On Fridays: 84%.
Better than the LAS–PDX route average.
AS 596 arrived on time 90% of the time, versus 80% across the LAS–PDX route.
Better than the Alaska Airlines network average.
AS 596 arrived on time 90% of the time, versus 80% across the Alaska Airlines network.
Ticking up lately.
AS 596 arrived on time 96% of the time over the last three months in the data, compared with 90% in the three months before that.
The breakdown
- Mon87%(30 flights)
- Tue92%(26 flights)
- Wed96%(25 flights)
- Thu97%(31 flights)
- Fri84%(31 flights)
- Sat95%(19 flights)
- Sun84%(32 flights)
90%
May
Nov 79% → May 90% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 79% | 28 |
| December 2025 | 81% | 31 |
| January 2026 | 90% | 20 |
| February 2026 | 100% | 20 |
| March 2026 | 97% | 29 |
| April 2026 | 100% | 30 |
| May 2026 | 90% | 31 |
- Departures on time
- 89%
- Diverted
- 0%
- Flights flown
- 194
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 195 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.