Best Time to Fly PHL to SJU
Philadelphia to San Juan — month-by-month delay data from the Bureau of Transportation Statistics.
Best month
January
1% on time
Worst month
July
0% on time
PHL → SJU on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
Monthly breakdown
| Month | On-time | Cancel rate | Flights |
|---|---|---|---|
| January | 1% | 0% | 652 |
| February | 1% | 0% | 566 |
| March | 1% | 0% | 583 |
| April | 1% | 0% | 594 |
| May | 1% | 0% | 606 |
| June | 1% | 0% | 566 |
| July | 0% | 0% | 578 |
| August | 1% | 0% | 378 |
| September | 1% | 0% | 209 |
| October | 1% | 0% | 257 |
| November | 1% | 0% | 344 |
| December | 1% | 0% | 459 |
Frequently asked
What is the best month to fly from PHL to SJU?
January has the highest on-time rate at 1% for flights from Philadelphia to San Juan.
What is the worst month to fly PHL to SJU?
July has the lowest on-time rate at 0%, often due to summer thunderstorms.
How often are PHL to SJU flights delayed?
On average, 1% of flights from PHL to SJU arrive on time. That means about 99% experience some form of delay.
Source: Bureau of Transportation Statistics.