Flight Reliability
AS 3377 · Alaska Airlines
Los Angeles → STS (LAX–STS)94% of its flights flew this route. The rest (PDX–SLC) are included in these numbers.
- 86%
- Arrive within 15 minutes
- 2 min early
- Average arrival delay
- 0.6%
- Cancelled
- 12 min early
- Median arrival delay
Based on 325 historical flights. Data through May 2026.
What the data says
The 12–3 PM departure wins.
AS 3377 departing between 12–3 PM arrived on time 100% of the time, versus 84% between 6–9 AM.
Skip Saturday if you can.
AS 3377 arrived on time 94% of the time on Wednesdays. On Saturdays: 81%.
A bit ahead of the Alaska Airlines network.
AS 3377 arrived on time 86% of the time, versus 80% across the Alaska Airlines network.
Trending in the right direction.
AS 3377 arrived on time 90% of the time over the last three months in the data, compared with 82% in the three months before that.
The breakdown
- Mon85%(46 flights)
- Tue89%(45 flights)
- Wed94%(46 flights)
- Thu84%(44 flights)
- Fri89%(45 flights)
- Sat81%(43 flights)
- Sun83%(48 flights)
- 6–9 AM84%(133 flights)
- 9 AM–12 PM87%(163 flights)
- 12–3 PM100%(21 flights)
Jun 83% → May 93% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 83% | 30 |
| July 2025 | 81% | 31 |
| August 2025 | 81% | 31 |
| September 2025 | 97% | 30 |
| October 2025 | 90% | 31 |
| November 2025 | 93% | 29 |
| December 2025 | 68% | 25 |
| January 2026 | 86% | 28 |
| February 2026 | 82% | 28 |
| March 2026 | 94% | 17 |
| May 2026 | 93% | 28 |
- Departures on time
- 87%
- Diverted
- 1.8%
- Flights flown
- 317
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 325 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.