Route Reliability
San Francisco → ACV
SFO–ACV · 250 miles · San Francisco International Airport to ACV Airport
- 78%
- Arrive within 15 minutes
- 11 min
- Average arrival delay
- 1.8%
- Cancelled
- 1,289
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 78% of the time across 1,289 flights. No comparison to make.
What the data says
9 PM–12 AM has a slight edge.
Departures between 9 PM–12 AM arrived on time 81% of the time, against 76% between 6–9 PM.
Sunday scaries are real for this one.
SFO–ACV flights arrived on time 82% of the time on Saturdays. On Sundays: 73%.
Trending in the right direction.
SFO–ACV flights arrived on time 82% of the time over the last three months in the data, compared with 74% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon76%(185 flights)
- Tue78%(163 flights)
- Wed79%(184 flights)
- Thu81%(185 flights)
- Fri81%(183 flights)
- Sat82%(153 flights)
- Sun73%(183 flights)
- 9 AM–12 PM78%(352 flights)
- 12–3 PM79%(291 flights)
- 3–6 PM79%(254 flights)
- 6–9 PM76%(225 flights)
- 9 PM–12 AM81%(114 flights)
Jun 76% → May 75% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 76% | 110 |
| July 2025 | 81% | 111 |
| August 2025 | 75% | 108 |
| September 2025 | 82% | 94 |
| October 2025 | 78% | 120 |
| November 2025 | 79% | 110 |
| December 2025 | 75% | 110 |
| January 2026 | 82% | 92 |
| February 2026 | 66% | 80 |
| March 2026 | 92% | 85 |
| April 2026 | 80% | 109 |
| May 2026 | 75% | 107 |
Keep nerding
Based on 1,289 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.