Southwest Airlines is the most reliable airline on the ISP to TPA route with a 73% on-time rate, compared to JetBlue Airways at 64%. Based on 422 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: ISP to TPA
Islip to Tampa — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines73%
Frontier Airlines73%
JetBlue Airways64%
ISP to TPA Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 73% | 0.9% | 61m | 422 |
| Frontier AirlinesF9 | 73% | 3.4% | 89m | 1,160 |
| JetBlue AirwaysB6Worst | 64% | 4.3% | 43m | 74 |
Route Overview
73%
Overall On-Time
80m
Avg Delay
2.6%
Cancel Rate
1,795
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.