Route
STS → LAX
Charles M. Schulz Sonoma County Airport Los Angeles International Airport
Alerts at STS and LAX
How punctual is this route?
- On-time arrivals
- 85.7%
- Less than 15 minutes late
- Cancelled
- 2.8%
- Of scheduled flights
- Average delay when late
- 73 min
- Flights arriving 15+ minutes late
- Flights tracked
- 714
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 47%
- Airline (crew, maintenance, cleaning) 35%
- Air traffic control & airport 17%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 79.2% | 77 |
| October 2025 | 86.3% | 51 |
| November 2025 | 84.4% | 50 |
| December 2025 | 75.9% | 38 |
| January 2026 | 82.9% | 45 |
| February 2026 | 88.4% | 44 |
| March 2026 | 85.7% | 63 |
| April 2026 | 87.5% | 72 |
| May 2026 | 81.0% | 58 |
| June 2026 | 91.9% | 74 |
| July 2026 | 86.9% | 85 |
| August 2026 | 93.0% | 57 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| SkyWest Airlines | 687 | 85.8% | 2.9% | 74 min |
| Alaska Airlines | 27 | 85.2% | 0.0% | 29 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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Headlines found by Google News; stories open on the publisher's site.
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