Flight Reliability
AS 3248 · Alaska Airlines
Santa Ana → San Francisco (SNA–SFO)96% of its flights flew this route. The rest (SJC–SEA) are included in these numbers.
- 72%
- Arrive within 15 minutes
- 12 min
- Average arrival delay
- 2.6%
- Cancelled
- 8 min early
- Median arrival delay
Based on 151 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
AS 3248 departing between 9 AM–12 PM arrived on time 100% of the time, versus 69% between 6–9 PM.
Sunday scaries are real for this one.
AS 3248 arrived on time 89% of the time on Tuesdays and just 65% on Sundays. That gap is worth planning around.
Lagging the Alaska Airlines network.
AS 3248 arrived on time 72% of the time, versus 80% across the Alaska Airlines network.
Recent months have been rougher.
AS 3248 arrived on time 63% of the time over the last three months in the data, compared with 78% in the three months before that.
The breakdown
- Mon69%(26 flights)
- Tue89%(18 flights)
- Wed74%(19 flights)
- Thu71%(21 flights)
- Fri65%(23 flights)
- Sat77%(17 flights)
- Sun65%(23 flights)
- 9 AM–12 PM100%(13 flights)
- 3–6 PM70%(57 flights)
- 6–9 PM69%(77 flights)
Nov 77% → May 33% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 77% | 26 |
| December 2025 | 74% | 27 |
| January 2026 | 83% | 30 |
| February 2026 | 67% | 21 |
| March 2026 | 90% | 10 |
| May 2026 | 33% | 12 |
- Departures on time
- 73%
- Diverted
- 0%
- Flights flown
- 147
- Months covered
- 9
Same route, other flights
Keep nerding
Based on 151 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.