Flight Reliability
AS 3401 · Alaska Airlines
Burbank → STS (BUR–STS)96% of its flights flew this route. The rest (SJC–SAN) are included in these numbers.
- 84%
- Arrive within 15 minutes
- 0 min
- Average arrival delay
- 0.5%
- Cancelled
- 7 min early
- Median arrival delay
Based on 214 historical flights. Data through May 2026.
What the data says
The 3–6 PM departure wins.
AS 3401 departing between 3–6 PM arrived on time 95% of the time, versus 68% between 9 AM–12 PM.
Friday is doing you no favors.
AS 3401 arrived on time 100% of the time on Wednesdays and just 74% on Fridays. That gap is worth planning around.
A bit ahead of the Alaska Airlines network.
AS 3401 arrived on time 84% of the time, versus 80% across the Alaska Airlines network.
Trending in the right direction.
AS 3401 arrived on time 96% of the time over the last three months in the data, compared with 80% in the three months before that.
The breakdown
- Mon83%(40 flights)
- Tue81%(16 flights)
- Wed100%(17 flights)
- Thu82%(39 flights)
- Fri74%(39 flights)
- Sat100%(21 flights)
- Sun80%(40 flights)
- 6–9 AM81%(26 flights)
- 9 AM–12 PM68%(19 flights)
- 12–3 PM84%(110 flights)
- 3–6 PM95%(40 flights)
- 6–9 PM77%(17 flights)
Jun 58% → May 91% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 58% | 12 |
| July 2025 | 65% | 17 |
| August 2025 | 83% | 23 |
| September 2025 | 93% | 30 |
| November 2025 | 86% | 28 |
| December 2025 | 64% | 22 |
| February 2026 | 90% | 10 |
| March 2026 | 100% | 20 |
| April 2026 | 96% | 24 |
| May 2026 | 91% | 11 |
- Departures on time
- 83%
- Diverted
- 0.5%
- Flights flown
- 212
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 214 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.