ISP
Islip, NY
Islip, New York
Data coverage: 2020 — 2024
Total Flights
43,731
On-Time Rate
78.2%
Avg Delay
69.3 min
Delayed
9,517
Cancelled
827
Delay Causes
Top delay cause: Late Aircraft
Late Aircraft 45.4%
Carrier 26.2%
NAS (National Aviation System) 25.1%
Weather 3.1%
Security 0.1%
Monthly Performance
Recent 24 months of flight data.
| Period | Flights | Dep Delayed | Arr Delayed | Cancelled | Diverted |
|---|---|---|---|---|---|
| Dec 2024 | 865 | 135 | 109 | 3 | 1 |
| Nov 2024 | 699 | 46 | 43 | 0 | 0 |
| Oct 2024 | 539 | 44 | 37 | 10 | 0 |
| Sep 2024 | 583 | 41 | 43 | 3 | 0 |
| Aug 2024 | 756 | 113 | 115 | 12 | 1 |
| Jul 2024 | 814 | 126 | 120 | 16 | 2 |
| Jun 2024 | 794 | 92 | 104 | 7 | 1 |
| May 2024 | 834 | 101 | 123 | 8 | 1 |
| Apr 2024 | 866 | 94 | 98 | 9 | 1 |
| Mar 2024 | 935 | 128 | 123 | 10 | 0 |
| Feb 2024 | 912 | 65 | 81 | 5 | 1 |
| Jan 2024 | 958 | 104 | 127 | 9 | 1 |
| Dec 2023 | 1,062 | 135 | 135 | 8 | 0 |
| Nov 2023 | 924 | 70 | 75 | 1 | 0 |
| Oct 2023 | 811 | 50 | 44 | 2 | 0 |
| Sep 2023 | 666 | 77 | 79 | 3 | 2 |
| Aug 2023 | 760 | 98 | 115 | 16 | 3 |
| Jul 2023 | 755 | 153 | 167 | 13 | 4 |
| Jun 2023 | 671 | 106 | 101 | 7 | 3 |
| May 2023 | 753 | 72 | 107 | 3 | 1 |
| Apr 2023 | 729 | 100 | 119 | 3 | 1 |
| Mar 2023 | 786 | 106 | 101 | 8 | 1 |
| Feb 2023 | 724 | 54 | 59 | 4 | 0 |
| Jan 2023 | 758 | 57 | 74 | 7 | 0 |
Top Routes
Busiest routes to and from ISP.
| Route | Flights | On-Time | Distance |
|---|---|---|---|
| BWI (Baltimore) → ISP (Islip) | 6,202 | 76.8% | 220 mi |
| ISP (Islip) → BWI (Baltimore) | 6,196 | 89% | 220 mi |
| ISP (Islip) → MCO (Orlando) | 6,130 | 78.5% | 971 mi |
| MCO (Orlando) → ISP (Islip) | 6,110 | 75.4% | 971 mi |
| ISP (Islip) → PBI (West Palm Beach/Palm Beach) | 3,333 | 77% | 1,052 mi |
| PBI (West Palm Beach/Palm Beach) → ISP (Islip) | 3,329 | 76.6% | 1,052 mi |
| TPA (Tampa) → ISP (Islip) | 1,890 | 81.9% | 1,034 mi |
| ISP (Islip) → TPA (Tampa) | 1,887 | 72.9% | 1,034 mi |
| FLL (Fort Lauderdale) → ISP (Islip) | 892 | 72.3% | 1,092 mi |
| ISP (Islip) → FLL (Fort Lauderdale) | 830 | 81.1% | 1,092 mi |
Data Source: Bureau of Transportation Statistics, On-Time Performance Data.
Statistics reflect cumulative performance across all available reporting periods.