Flight Reliability
AS 1369 · Alaska Airlines
Seattle → San Diego (SEA–SAN)91% of its flights flew this route. The rest (AUS–SFO) are included in these numbers.
89
Pretty Reliable
WanderNerd Reliability Score
- 84%
- Arrive within 15 minutes
- 2 min early
- Average arrival delay
- 0%
- Cancelled
- 7 min early
- Median arrival delay
Based on 116 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
AS 1369 departing between 9 AM–12 PM arrived on time 91% of the time, versus 82% between 6–9 PM.
Friday is doing you no favors.
AS 1369 arrived on time 92% of the time on Saturdays. On Fridays: 80%.
A bit ahead of the SEA–SAN route.
AS 1369 arrived on time 84% of the time, versus 79% across the SEA–SAN route.
A bit ahead of the Alaska Airlines network.
AS 1369 arrived on time 84% of the time, versus 80% across the Alaska Airlines network.
The breakdown
- Mon81%(21 flights)
- Tue—(9 flights)
- Wed91%(11 flights)
- Thu80%(20 flights)
- Fri80%(20 flights)
- Sat92%(12 flights)
- Sun82%(22 flights)
- 9 AM–12 PM91%(11 flights)
- 6–9 PM82%(54 flights)
- 9 PM–12 AM86%(50 flights)
88%
May
Jun 91% → May 88% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 91% | 11 |
| January 2026 | 93% | 14 |
| February 2026 | 79% | 24 |
| March 2026 | 67% | 21 |
| April 2026 | 90% | 20 |
| May 2026 | 88% | 16 |
- Departures on time
- 77%
- Diverted
- 0.9%
- Flights flown
- 115
- Months covered
- 8
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.