Route Reliability
ISP → Orlando
ISP–MCO · 971 miles · ISP Airport to Orlando International Airport
69
Usually Fine
WanderNerd Reliability Score
- 73%
- Arrive within 15 minutes
- 15 min
- Average arrival delay
- 1.8%
- Cancelled
- 1,426
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Southwest Airlines74%685 flights
- 2.JetBlue Airways74%369 flights
- 3.Frontier Airlines68%372 flights
What the data says
Morning flights do better here.
ISP–MCO flights departing between 3–6 AM arrived on time 96% of the time, versus 48% between 6–9 PM.
Sunday scaries are real for this one.
ISP–MCO flights arrived on time 78% of the time on Tuesdays. On Sundays: 66%.
Southwest Airlines has a slight edge here.
Southwest Airlines arrived on time 74% of the time on this route; Frontier Airlines managed 68%.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon72%(196 flights)
- Tue78%(179 flights)
- Wed72%(182 flights)
- Thu77%(201 flights)
- Fri69%(208 flights)
- Sat76%(220 flights)
- Sun66%(207 flights)
- 3–6 AM96%(80 flights)
- 6–9 AM88%(275 flights)
- 9 AM–12 PM84%(279 flights)
- 12–3 PM67%(177 flights)
- 3–6 PM63%(349 flights)
- 6–9 PM48%(217 flights)
- 9 PM–12 AM88%(16 flights)
74%
May
Jun 68% → May 74% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 68% | 115 |
| July 2025 | 63% | 123 |
| August 2025 | 62% | 122 |
| September 2025 | 82% | 107 |
| October 2025 | 82% | 111 |
| November 2025 | 77% | 130 |
| December 2025 | 67% | 127 |
| January 2026 | 80% | 99 |
| February 2026 | 74% | 102 |
| March 2026 | 73% | 105 |
| April 2026 | 73% | 127 |
| May 2026 | 74% | 125 |
Keep nerding
Based on 1,426 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.