Flight Reliability
AS 757 · Alaska Airlines
Portland → Las Vegas (PDX–LAS)
87
Pretty Reliable
WanderNerd Reliability Score
- 84%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 0.9%
- Cancelled
- 0 min
- Median arrival delay
Based on 349 historical flights. Data through May 2026.
What the data says
Tuesday is the weak spot.
AS 757 arrived on time 87% of the time on Thursdays. On Tuesdays: 78%.
A bit ahead of the Alaska Airlines network.
AS 757 arrived on time 84% of the time, versus 80% across the Alaska Airlines network.
Ticking up lately.
AS 757 arrived on time 88% of the time over the last three months in the data, compared with 83% in the three months before that.
The breakdown
- Mon83%(52 flights)
- Tue78%(51 flights)
- Wed84%(51 flights)
- Thu87%(52 flights)
- Fri82%(51 flights)
- Sat86%(35 flights)
- Sun85%(53 flights)
89%
May
Jun 89% → May 89% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 89% | 26 |
| July 2025 | 81% | 26 |
| August 2025 | 89% | 28 |
| September 2025 | 77% | 30 |
| October 2025 | 70% | 30 |
| November 2025 | 89% | 27 |
| December 2025 | 77% | 31 |
| January 2026 | 77% | 31 |
| February 2026 | 93% | 28 |
| March 2026 | 84% | 31 |
| April 2026 | 90% | 29 |
| May 2026 | 89% | 28 |
- Departures on time
- 87%
- Diverted
- 0.3%
- Flights flown
- 345
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 349 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.