Route Reliability
San Francisco → Sacramento
SFO–SMF · 86 miles · San Francisco International Airport to Sacramento International Airport
- 81%
- Arrive within 15 minutes
- 11 min
- Average arrival delay
- 1.6%
- Cancelled
- 1,398
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 81% of the time across 1,398 flights. No comparison to make.
What the data says
Morning-you made the right choice.
SFO–SMF flights departing between 6–9 AM arrived on time 86% of the time, versus 73% between 3–6 PM.
Sunday scaries are real for this one.
SFO–SMF flights arrived on time 87% of the time on Tuesdays. On Sundays: 78%.
Trending in the right direction.
SFO–SMF flights arrived on time 82% of the time over the last three months in the data, compared with 75% 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
- Mon78%(202 flights)
- Tue87%(196 flights)
- Wed80%(204 flights)
- Thu79%(200 flights)
- Fri78%(200 flights)
- Sat85%(179 flights)
- Sun78%(193 flights)
- 6–9 AM86%(241 flights)
- 9 AM–12 PM75%(112 flights)
- 12–3 PM78%(264 flights)
- 3–6 PM73%(75 flights)
- 6–9 PM84%(391 flights)
- 9 PM–12 AM78%(291 flights)
Jun 86% → May 76% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 86% | 111 |
| July 2025 | 80% | 113 |
| August 2025 | 88% | 113 |
| September 2025 | 81% | 119 |
| October 2025 | 84% | 144 |
| November 2025 | 76% | 105 |
| December 2025 | 74% | 103 |
| January 2026 | 77% | 113 |
| February 2026 | 74% | 111 |
| March 2026 | 85% | 113 |
| April 2026 | 86% | 118 |
| May 2026 | 76% | 111 |
Keep nerding
Based on 1,398 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.