Southwest Airlines ISP to MCO on-time performance
Southwest Airlines nonstop flights from Islip to Orlando · Aug 2025 – Jul 2026
On-time arrivals
73%
arrived < 15 min late
Cancelled
1.5%
10 flights
Avg arrival delay
17 min
58 min when late
Rank on route
#2 of 3
route average 73% on time
Key facts
- Southwest Airlines flights on ISP to MCO arrived on time 73% of the time in Aug 2025 – Jul 2026.
- 1.5% were cancelled, and 9% arrived an hour or more late.
- That ranks #2 of 3 airlines on this route, which averaged 73% on time overall.
- The largest source of delay minutes was late-arriving aircraft (33%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft33%
- Airline (crew, maintenance, cleaning, fueling)32%
- Air traffic control & airport congestion28%
- Extreme weather7%
- Security0%
Other airlines on ISP to MCO
- JetBlue76% on time · 22 min avg delay
- Frontier Airlines72% on time · 25 min avg delay
Full ISP to MCO comparison →
Southwest Airlines on-time record across all routes →
668 Southwest Airlines flights tracked on this route; 10 cancelled, 2 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.