Best Time to Fly ATL to SJU
Atlanta 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
ATL → SJU on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
Monthly breakdown
| Month | On-time | Cancel rate | Flights |
|---|---|---|---|
| January | 1% | 0% | 746 |
| February | 1% | 0% | 646 |
| March | 1% | 0% | 794 |
| April | 1% | 0% | 694 |
| May | 1% | 0% | 760 |
| June | 1% | 0% | 753 |
| July | 1% | 0% | 775 |
| August | 1% | 0% | 494 |
| September | 1% | 0% | 374 |
| October | 1% | 0% | 405 |
| November | 1% | 0% | 460 |
| December | 1% | 0% | 609 |
Frequently asked
What is the best month to fly from ATL to SJU?
January has the highest on-time rate at 1% for flights from Atlanta to San Juan.
What is the worst month to fly ATL to SJU?
January has the lowest on-time rate at 1%, often due to winter weather.
How often are ATL to SJU flights delayed?
On average, 1% of flights from ATL to SJU arrive on time. That means about 99% experience some form of delay.
Source: Bureau of Transportation Statistics.