Best Time to Fly MIA to SJU
Miami to San Juan — month-by-month delay data from the Bureau of Transportation Statistics.
Best month
January
1% on time
Worst month
January
1% on time
MIA → SJU on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
Monthly breakdown
| Month | On-time | Cancel rate | Flights |
|---|---|---|---|
| January | 1% | 0% | 984 |
| February | 1% | 0% | 874 |
| March | 1% | 0% | 1,007 |
| April | 1% | 0% | 960 |
| May | 1% | 0% | 922 |
| June | 1% | 0% | 906 |
| July | 1% | 0% | 962 |
| August | 1% | 0% | 720 |
| September | 1% | 0% | 575 |
| October | 1% | 0% | 607 |
| November | 1% | 0% | 659 |
| December | 1% | 0% | 735 |
Frequently asked
What is the best month to fly from MIA to SJU?
January has the highest on-time rate at 1% for flights from Miami to San Juan.
What is the worst month to fly MIA to SJU?
January has the lowest on-time rate at 1%, often due to winter weather.
How often are MIA to SJU flights delayed?
On average, 1% of flights from MIA to SJU arrive on time. That means about 99% experience some form of delay.
Source: Bureau of Transportation Statistics.