Best Time to Fly BWI to ISP
Baltimore to Islip — month-by-month delay data from the Bureau of Transportation Statistics.
Best month
January
1% on time
Worst month
January
1% on time
BWI → ISP on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
Monthly breakdown
| Month | On-time | Cancel rate | Flights |
|---|---|---|---|
| January | 1% | 0% | 410 |
| February | 1% | 0% | 370 |
| March | 1% | 0% | 402 |
| April | 1% | 0% | 434 |
| May | 1% | 0% | 459 |
| June | 1% | 0% | 491 |
| July | 1% | 0% | 528 |
| August | 1% | 0% | 325 |
| September | 1% | 0% | 296 |
| October | 1% | 0% | 318 |
| November | 1% | 0% | 316 |
| December | 1% | 0% | 326 |
Frequently asked
What is the best month to fly from BWI to ISP?
January has the highest on-time rate at 1% for flights from Baltimore to Islip.
What is the worst month to fly BWI to ISP?
January has the lowest on-time rate at 1%, often due to winter weather.
How often are BWI to ISP flights delayed?
On average, 1% of flights from BWI to ISP arrive on time. That means about 99% experience some form of delay.
Source: Bureau of Transportation Statistics.