Best Time to Fly FAT to SAN: On-Time Stats by Hour & Airline
Fresno Yosemite International → San Diego International
Data through July 2026 · Last updated October 18, 2026
1,774 flights were scheduled from Fresno (FAT) to San Diego (SAN) in the last 12 months, and 74.7% of those that flew arrived on time, 3.0 points below the US average of 77.6%.
SkyWest Airlines was the most punctual of the 2 airlines on the route at 75.3%, while Southwest Airlines trailed at 73.4%.
September has been the best month (83% on time) and Friday the weakest day of the week (67%).
1.4% of flights were cancelled, versus 1.8% nationally.
FAT to SAN on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlines | 75.3% | 53 min | 1.9% | 1,204 |
| Southwest Airlines | 73.4% | 55 min | 0.3% | 570 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly FAT to SAN
On-time arrival % by scheduled departure hour (local time), 2,913 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 8 | |
| 6am–7am | 90.3% | 1.6% | 943 |
| 7am–8am | Limited data | 6 | |
| 8am–9am | 61.8% | 0.9% | 112 |
| 9am–10am | 82.2% | 0.0% | 175 |
| 10am–11am | 66.4% | 0.4% | 272 |
| 11am–12pm | 53.3% | 4.3% | 47 |
| 12pm–1pm | 80.4% | 0.0% | 97 |
| 1pm–2pm | 80.8% | 0.0% | 172 |
| 2pm–3pm | 68.3% | 2.4% | 84 |
| 3pm–4pm | 71.5% | 1.2% | 257 |
| 4pm–5pm | 62.8% | 0.0% | 148 |
| 5pm–6pm | 35.4% | 0.0% | 79 |
| 6pm–7pm | 45.9% | 1.0% | 99 |
| 7pm–8pm | 56.0% | 3.6% | 414 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on FAT to SAN
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 63.1% | -12.0 pts | 0.0% | 66 |
| Christmas & New Year (Dec 20 - Jan 3) | 51.0% | -24.1 pts | 1.8% | 109 |
| Summer peak (Jun 15 - Aug 15) | 72.0% | -3.1 pts | 1.1% | 520 |
| All other days | 75.1% | — | 1.4% | 2,218 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).