Flight Reliability
AS 1229 · Alaska Airlines
Santa Ana → Seattle (SNA–SEA)
72
Usually Fine
WanderNerd Reliability Score
- 72%
- Arrive within 15 minutes
- 8 min
- Average arrival delay
- 2.0%
- Cancelled
- 2 min early
- Median arrival delay
Based on 100 historical flights. Data through May 2026.
What the data says
Thursdays have been rough.
AS 1229 arrived on time 86% of the time on Saturdays and just 62% on Thursdays. That gap is worth planning around.
Lagging the SNA–SEA route.
AS 1229 arrived on time 72% of the time, versus 85% across the SNA–SEA route.
Lagging the Alaska Airlines network.
AS 1229 arrived on time 72% of the time, versus 80% across the Alaska Airlines network.
The breakdown
- Mon80%(15 flights)
- Tue80%(15 flights)
- Wed64%(14 flights)
- Thu62%(13 flights)
- Fri69%(13 flights)
- Sat86%(14 flights)
- Sun64%(14 flights)
81%
Oct
Jun 69% → Oct 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 69% | 29 |
| July 2025 | 74% | 31 |
| August 2025 | 65% | 17 |
| October 2025 | 81% | 21 |
- Departures on time
- 77%
- Diverted
- 0%
- Flights flown
- 98
- Months covered
- 4
Same route, other flights
Keep nerding
Based on 100 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.