Route
STS → LAS
Charles M. Schulz Sonoma County Airport Harry Reid International Airport
454 miles
Return route LAS → STS →
Alerts at STS and LAS
How punctual is this route?
- On-time arrivals
- 79.3%
- Less than 15 minutes late
- Cancelled
- 0.5%
- Of scheduled flights
- Average delay when late
- 73 min
- Flights arriving 15+ minutes late
- Flights tracked
- 378
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 49%
- Air traffic control & airport 22%
- Airline (crew, maintenance, cleaning) 18%
- Extreme weather 11%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 83.3% | 30 |
| October 2025 | 77.8% | 9 |
| November 2025 | 70.0% | 20 |
| December 2025 | 42.9% | 16 |
| January 2026 | 94.4% | 18 |
| February 2026 | 79.2% | 24 |
| March 2026 | 93.5% | 31 |
| April 2026 | 88.9% | 54 |
| May 2026 | 85.5% | 62 |
| June 2026 | 71.8% | 39 |
| July 2026 | 71.0% | 31 |
| August 2026 | 68.2% | 44 |
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 | 218 | 81.5% | 0.9% | 90 min |
| Southwest Airlines | 147 | 78.2% | 0.0% | 56 min |
| Alaska Airlines | 13 | 53.8% | 0.0% | 48 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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