Route
SFO → PSC
San Francisco International Airport Tri Cities Airport
620 miles
Return route PSC → SFO →
Alerts at SFO and PSC
How punctual is this route?
- On-time arrivals
- 81.0%
- Less than 15 minutes late
- Cancelled
- 0.2%
- Of scheduled flights
- Average delay when late
- 105 min
- Flights arriving 15+ minutes late
- Flights tracked
- 576
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 46%
- Air traffic control & airport 37%
- Late-arriving aircraft 13%
- Extreme weather 4%
- 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 | 82.0% | 50 |
| October 2025 | 79.0% | 62 |
| November 2025 | 96.6% | 59 |
| December 2025 | 85.0% | 61 |
| January 2026 | 83.3% | 49 |
| February 2026 | 80.0% | 45 |
| March 2026 | 91.4% | 35 |
| April 2026 | 60.0% | 30 |
| May 2026 | 61.9% | 42 |
| June 2026 | 70.2% | 57 |
| July 2026 | 83.7% | 49 |
| August 2026 | 91.9% | 37 |
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 | 576 | 81.0% | 0.2% | 105 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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