Route · TPA → ISP · 2020–2025 BTS data
Tampa to Islip
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), TPA to ISP (Tampa to Islip) ranks #3577 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 81.1%
- On-time
- +2.1 pts
- vs US avg
- 70 min
- Delay when late
- 2,419
- Flights
- #3577 of 4927
- Corpus placement
Cancelled
1.4%
Best Month
Nov 2023 93%
Worst Month
Mar 2024 74%
Distance
1,034 mi
Carriers
4
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 49 | 13 | 2 | 0 | B6,WN,F9 |
| Nov 2025 | 31 | 8 | 0 | 0 | F9,WN |
| Oct 2025 | 30 | 5 | 2 | 0 | F9 |
| Sep 2025 | 36 | 4 | 1 | 0 | WN,F9 |
| Aug 2025 | 42 | 11 | 0 | 0 | WN,F9 |
| Jul 2025 | 39 | 16 | 0 | 0 | WN,F9 |
| Jun 2025 | 38 | 5 | 2 | 0 | WN,F9 |
| May 2025 | 65 | 12 | 0 | 0 | WN,F9 |
| Apr 2025 | 63 | 8 | 0 | 0 | F9,WN |
| Mar 2025 | 50 | 14 | 1 | 1 | WN,F9 |
| Feb 2025 | 51 | 9 | 2 | 0 | WN,F9 |
| Jan 2025 | 35 | 8 | 0 | 0 | WN,F9 |
| Dec 2024 | 36 | 15 | 0 | 0 | F9,WN |
| Sep 2024 | 30 | 2 | 2 | 0 | WN,F9 |
| Aug 2024 | 36 | 3 | 1 | 0 | F9,WN |
| Jun 2024 | 32 | 9 | 1 | 0 | F9,WN |
| May 2024 | 34 | 9 | 0 | 0 | F9,WN |
| Apr 2024 | 44 | 13 | 1 | 0 | F9,WN |
| Mar 2024 | 61 | 16 | 0 | 1 | F9,WN |
| Feb 2024 | 55 | 7 | 0 | 0 | F9,WN |
| Jan 2024 | 55 | 8 | 0 | 1 | F9,WN |
| Dec 2023 | 62 | 6 | 0 | 0 | F9,WN |
| Nov 2023 | 69 | 5 | 1 | 0 | F9,WN |
| Oct 2023 | 70 | 6 | 0 | 0 | F9,WN |
TPA–ISP seasonal on-time pattern
Best: September (90.7%) · weakest: July (67.1%)
Strongest calendar month
September
90.7% on-time · ~38 flights/mo
Busiest calendar month
November
~56 flights/mo avg
Weakest calendar month
July
67.1% on-time · ~38 flights/mo
Cancellation Rate
1.4%
16 of 1,113 flights
Diversion Rate
0.3%
3 of 1,113 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
TPA - Tampa
Full on-time, delay-cause, and seasonal performance for Tampa, FL.
TPA on-time profileISP - Islip
Full on-time, delay-cause, and seasonal performance for Islip, NY.
ISP on-time profileCompare the two airports
See TPA and ISP side by side on delays, cancellations, and reliability.
Compare TPA vs ISPOrigin-hub reliability standing
Mid-pack among TPA departures
From TPA, this corridor sits with 46 other 75–85% on-time routes out of 51 tracked departures, not the hub's reliability leaders (3 at ≥85%) and not the softest ( 2 below 75%). Destination: Islip · fleet on-time rank #2729 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to TPA–ISP.
Routes with a similar on-time rate
What the Data Says About TPA to ISP
2,419 tracked flights put the TPA to ISP pairing (Tampa to Islip) at a 81.1% on-time rate, squarely in line with the wider network. Delays that do occur run 70.1 minutes on average. Across the 1,034-mile route and its 4 carriers, the trailing 24 months show 1.4% cancelled and 0.3% diverted (1,113 flights sampled).
The monthly split is wide on this route: Nov 2023 posted the strongest performance at 93% on-time, while Mar 2024 came in at just 74% - a 19-point swing worth factoring into travel timing.
On the multi-year calendar, TPA–ISP peaks in September at 90.7% on-time while November carries the heaviest traffic (~56 flights per month) ; the softest month is July at 67.1%, a 23.6-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does TPA to ISP rank among US routes by traffic? ▼
How often are flights delayed from TPA to ISP? ▼
What is the cancellation rate for TPA to ISP? ▼
How far is the flight from TPA to ISP? ▼
When is the best time to fly from TPA to ISP? ▼
Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using TPA–ISP data
TPA–ISP is mid-pack at 81.1% on-time; month and carrier mix move more than the corridor headline.
- Compare TPA and ISP airport profiles: delay causes and top routes differ even on the same corridor. TPA airport
- If your dates flex, September (90.7% on-time) beats July (67.1%) on this corridor. Seasonal chart
- 4 other routes post a similar 81.1% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.