Route Reliability
San Diego → Sacramento
SAN–SMF · 480 miles · San Diego International Airport to Sacramento International Airport
- 78%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 1.1%
- Cancelled
- 5,479
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Alaska Airlines78%1,661 flights
- 2.Southwest Airlines77%3,818 flights
What the data says
Morning-you made the right choice.
SAN–SMF flights departing between 6–9 AM arrived on time 94% of the time, versus 67% between 6–9 PM.
Friday is doing you no favors.
SAN–SMF flights arrived on time 86% of the time on Tuesdays. On Fridays: 72%.
Not much between Alaska Airlines and Southwest Airlines.
On this route they all land within 77% to 78% on time. Pick on schedule and price.
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
- Mon75%(844 flights)
- Tue86%(722 flights)
- Wed82%(703 flights)
- Thu75%(826 flights)
- Fri72%(842 flights)
- Sat84%(594 flights)
- Sun73%(884 flights)
- 6–9 AM94%(883 flights)
- 9 AM–12 PM86%(1190 flights)
- 12–3 PM72%(928 flights)
- 3–6 PM72%(1188 flights)
- 6–9 PM67%(808 flights)
- 9 PM–12 AM69%(418 flights)
Jun 74% → May 76% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 74% | 444 |
| July 2025 | 73% | 463 |
| August 2025 | 79% | 441 |
| September 2025 | 82% | 411 |
| October 2025 | 77% | 435 |
| November 2025 | 77% | 466 |
| December 2025 | 70% | 462 |
| January 2026 | 83% | 409 |
| February 2026 | 80% | 409 |
| March 2026 | 82% | 496 |
| April 2026 | 81% | 480 |
| May 2026 | 76% | 499 |
Keep nerding
Based on 5,479 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.