Flight Reliability
AS 686 · Alaska Airlines
Seattle → SBA (SEA–SBA)
87
Pretty Reliable
WanderNerd Reliability Score
- 85%
- Arrive within 15 minutes
- 1 min early
- Average arrival delay
- 1.5%
- Cancelled
- 8 min early
- Median arrival delay
Based on 206 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
AS 686 arrived on time 100% of the time on Tuesdays and just 78% on Sundays. That gap is worth planning around.
A bit ahead of the Alaska Airlines network.
AS 686 arrived on time 85% of the time, versus 80% across the Alaska Airlines network.
Ticking up lately.
AS 686 arrived on time 87% of the time over the last three months in the data, compared with 82% in the three months before that.
The breakdown
- Mon84%(31 flights)
- Tue100%(28 flights)
- Wed82%(27 flights)
- Thu86%(29 flights)
- Fri80%(30 flights)
- Sat85%(26 flights)
- Sun78%(32 flights)
- 9 AM–12 PM84%(68 flights)
- 3–6 PM85%(135 flights)
91%
May
Nov 86% → May 91% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 86% | 29 |
| December 2025 | 79% | 28 |
| January 2026 | 83% | 29 |
| February 2026 | 86% | 28 |
| March 2026 | 80% | 30 |
| April 2026 | 90% | 30 |
| May 2026 | 91% | 23 |
- Departures on time
- 84%
- Diverted
- 0%
- Flights flown
- 203
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 206 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.