Flight Reliability
AS 2221 · Alaska Airlines
Portland → Oakland (PDX–OAK)
97
Nerd Approved
WanderNerd Reliability Score
- 93%
- Arrive within 15 minutes
- 3 min early
- Average arrival delay
- 0.9%
- Cancelled
- 8 min early
- Median arrival delay
Based on 343 historical flights. Data through May 2026.
What the data says
Saturday is the weak spot.
AS 2221 arrived on time 98% of the time on Mondays. On Saturdays: 88%.
Better than the PDX–OAK route average.
AS 2221 arrived on time 93% of the time, versus 81% across the PDX–OAK route.
Better than the Alaska Airlines network average.
AS 2221 arrived on time 93% of the time, versus 80% across the Alaska Airlines network.
Trending in the right direction.
AS 2221 arrived on time 98% of the time over the last three months in the data, compared with 89% in the three months before that.
The breakdown
- Mon98%(51 flights)
- Tue91%(46 flights)
- Wed89%(46 flights)
- Thu94%(50 flights)
- Fri94%(51 flights)
- Sat88%(43 flights)
- Sun93%(53 flights)
94%
May
Jun 93% → May 94% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 93% | 30 |
| July 2025 | 90% | 31 |
| August 2025 | 87% | 31 |
| September 2025 | 93% | 30 |
| October 2025 | 90% | 31 |
| November 2025 | 95% | 19 |
| December 2025 | 78% | 23 |
| January 2026 | 97% | 30 |
| February 2026 | 92% | 25 |
| March 2026 | 100% | 29 |
| April 2026 | 100% | 30 |
| May 2026 | 94% | 31 |
- Departures on time
- 94%
- Diverted
- 0%
- Flights flown
- 340
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 343 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.