Route Reliability
Sacramento → San Diego
SMF–SAN · 480 miles · Sacramento International Airport to San Diego International Airport
- 75%
- Arrive within 15 minutes
- 11 min
- Average arrival delay
- 1.2%
- Cancelled
- 5,485
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Alaska Airlines79%1,663 flights
- 2.Southwest Airlines73%3,822 flights
What the data says
Morning-you made the right choice.
SMF–SAN flights departing between 6–9 AM arrived on time 90% of the time, versus 48% between 9 PM–12 AM.
Friday is doing you no favors.
SMF–SAN flights arrived on time 85% of the time on Tuesdays and just 67% on Fridays. That gap is worth planning around.
Alaska Airlines has a slight edge here.
Alaska Airlines arrived on time 79% of the time on this route; Southwest Airlines managed 73%.
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
- Mon72%(845 flights)
- Tue85%(720 flights)
- Wed82%(701 flights)
- Thu69%(817 flights)
- Fri67%(846 flights)
- Sat81%(597 flights)
- Sun70%(880 flights)
- 3–6 AM86%(28 flights)
- 6–9 AM90%(1048 flights)
- 9 AM–12 PM81%(1172 flights)
- 12–3 PM73%(1014 flights)
- 3–6 PM67%(996 flights)
- 6–9 PM63%(1042 flights)
- 9 PM–12 AM48%(106 flights)
Jun 73% → May 71% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 73% | 446 |
| July 2025 | 73% | 463 |
| August 2025 | 78% | 443 |
| September 2025 | 81% | 411 |
| October 2025 | 74% | 434 |
| November 2025 | 70% | 463 |
| December 2025 | 65% | 462 |
| January 2026 | 78% | 402 |
| February 2026 | 77% | 410 |
| March 2026 | 81% | 495 |
| April 2026 | 77% | 478 |
| May 2026 | 71% | 499 |
Keep nerding
Based on 5,485 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.