Route
SFO → SUN
San Francisco International Airport Friedman Memorial Airport
587 miles
Return route SUN → SFO →
Alerts at SFO and SUN
How punctual is this route?
- On-time arrivals
- 81.3%
- Less than 15 minutes late
- Cancelled
- 0.3%
- Of scheduled flights
- Average delay when late
- 80 min
- Flights arriving 15+ minutes late
- Flights tracked
- 291
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 56%
- Late-arriving aircraft 25%
- Air traffic control & airport 17%
- Extreme weather 2%
- 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 | 100.0% | 13 |
| October 2025 | 81.8% | 11 |
| December 2025 | 67.7% | 33 |
| January 2026 | 83.7% | 43 |
| February 2026 | 78.4% | 37 |
| March 2026 | 97.4% | 39 |
| April 2026 | 71.4% | 7 |
| May 2026 | 80.0% | 10 |
| June 2026 | 77.4% | 31 |
| July 2026 | 74.3% | 35 |
| August 2026 | 81.2% | 32 |
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 | 291 | 81.3% | 0.3% | 80 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
Reviews
No reviews yet. Be the first to review this route.