Flight Reliability
AS 1193 · Alaska Airlines
San Jose → Seattle (SJC–SEA)
83
Pretty Reliable
WanderNerd Reliability Score
- 86%
- Arrive within 15 minutes
- 4 min
- Average arrival delay
- 2.6%
- Cancelled
- 2 min early
- Median arrival delay
Based on 116 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
AS 1193 arrived on time 100% of the time on Wednesdays and just 68% on Fridays. That gap is worth planning around.
A bit ahead of the Alaska Airlines network.
AS 1193 arrived on time 86% of the time, versus 80% across the Alaska Airlines network.
The breakdown
- Mon90%(19 flights)
- Tue84%(19 flights)
- Wed100%(17 flights)
- Thu85%(20 flights)
- Fri68%(19 flights)
- Sat—(0 flights)
- Sun90%(19 flights)
95%
Oct
Jun 80% → Oct 95% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 80% | 15 |
| July 2025 | 92% | 26 |
| August 2025 | 89% | 26 |
| September 2025 | 73% | 26 |
| October 2025 | 95% | 20 |
- Departures on time
- 93%
- Diverted
- 0%
- Flights flown
- 113
- Months covered
- 5
Same route, other flights
Keep nerding
Based on 116 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.