Flight Reliability
AS 1385 · Alaska Airlines
Seattle → San Francisco (SEA–SFO)
75
Usually Fine
WanderNerd Reliability Score
- 73%
- Arrive within 15 minutes
- 8 min
- Average arrival delay
- 1.7%
- Cancelled
- 0 min
- Median arrival delay
Based on 172 historical flights. Data through May 2026.
What the data says
Thursdays have been rough.
AS 1385 arrived on time 92% of the time on Tuesdays and just 46% on Thursdays. That gap is worth planning around.
A bit ahead of the SEA–SFO route.
AS 1385 arrived on time 73% of the time, versus 70% across the SEA–SFO route.
A bit behind the Alaska Airlines network.
AS 1385 arrived on time 73% of the time, versus 80% across the Alaska Airlines network.
Trending in the right direction.
AS 1385 arrived on time 81% of the time over the last three months in the data, compared with 73% in the three months before that.
The breakdown
- Mon85%(26 flights)
- Tue92%(26 flights)
- Wed81%(26 flights)
- Thu46%(26 flights)
- Fri65%(23 flights)
- Sat79%(19 flights)
- Sun65%(23 flights)
58%
May
Nov 75% → May 58% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 75% | 24 |
| December 2025 | 68% | 31 |
| January 2026 | 77% | 30 |
| February 2026 | 84% | 25 |
| March 2026 | 100% | 14 |
| May 2026 | 58% | 31 |
- Departures on time
- 72%
- Diverted
- 0%
- Flights flown
- 169
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 172 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.