Best Time to Fly SAN to MIA: On-Time Stats by Hour & Airline
San Diego International → Miami International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 84.3% of San Diego (SAN) to Miami (MIA) flights arrived on time (649 scheduled flights). That is 6.7 points above the national average of 77.6%.
American Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Wednesday was the most reliable day (88% on time) and March the worst month (70%).
The cancellation rate was 1.4% (US average 1.8%).
SAN to MIA 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 |
|---|---|---|---|---|
| American Airlines | 84.3% | 146 min | 1.4% | 649 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SAN to MIA
On-time arrival % by scheduled departure hour (local time), 1,210 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 84.7% | 0.0% | 131 |
| 7am–8am | Limited data | 18 | |
| 12pm–1pm | 79.4% | 0.8% | 240 |
| 1pm–2pm | 78.7% | 2.2% | 91 |
| 9pm–10pm | Limited data | 6 | |
| 10pm–11pm | 87.4% | 1.0% | 724 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SAN to MIA
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) | Limited data | 28 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 62.5% | -24.0 pts | 1.4% | 73 |
| Summer peak (Jun 15 - Aug 15) | 78.7% | -7.8 pts | 1.2% | 171 |
| All other days | 86.5% | — | 1.0% | 938 |
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).