Flight Reliability
AS 1247 · Alaska Airlines
Oakland → Seattle (OAK–SEA)
54
A Little Dicey
WanderNerd Reliability Score
- 56%
- Arrive within 15 minutes
- 16 min
- Average arrival delay
- 1.7%
- Cancelled
- 10 min
- Median arrival delay
Based on 117 historical flights. Data through May 2026.
What the data says
Thursdays have been rough.
AS 1247 arrived on time 73% of the time on Tuesdays and just 43% on Thursdays. That gap is worth planning around.
Well behind the OAK–SEA route.
AS 1247 arrived on time 56% of the time, versus 77% across the OAK–SEA route.
Well behind the Alaska Airlines network.
AS 1247 arrived on time 56% of the time, versus 80% across the Alaska Airlines network.
The breakdown
- Mon60%(20 flights)
- Tue73%(11 flights)
- Wed64%(11 flights)
- Thu43%(21 flights)
- Fri55%(20 flights)
- Sat46%(11 flights)
- Sun57%(21 flights)
79%
Oct
Jun 57% → Oct 79% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 57% | 30 |
| July 2025 | 55% | 29 |
| August 2025 | 32% | 25 |
| September 2025 | 71% | 17 |
| October 2025 | 79% | 14 |
- Departures on time
- 58%
- Diverted
- 0%
- Flights flown
- 115
- Months covered
- 5
Same route, other flights
Keep nerding
Based on 117 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.