Route Reliability
ISP → Myrtle Beach
ISP–MYR · 586 miles · ISP Airport to Myrtle Beach International Airport
- 86%
- Arrive within 15 minutes
- 1 min
- Average arrival delay
- 0.8%
- Cancelled
- 123
- Flights in the data
Data through May 2026.
Frontier Airlines is the only airline in this data on this route, arriving on time 86% of the time across 123 flights. No comparison to make.
What the data says
The 3–6 PM departure wins.
ISP–MYR flights departing between 3–6 PM arrived on time 100% of the time, versus 81% between 6–9 AM.
Saturdays have been rough.
ISP–MYR flights arrived on time 96% of the time on Mondays and just 74% on Saturdays. That gap is worth planning around.
Slipping a little lately.
ISP–MYR flights arrived on time 85% of the time over the last three months in the data, compared with 90% in the three months before that.
The breakdown
- Mon96%(28 flights)
- Tue—(4 flights)
- Wed83%(18 flights)
- Thu—(8 flights)
- Fri82%(27 flights)
- Sat74%(27 flights)
- Sun—(9 flights)
- 3–6 AM—(1 flights)
- 6–9 AM81%(52 flights)
- 9 AM–12 PM87%(55 flights)
- 3–6 PM100%(13 flights)
Jun 71% → May 100% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 71% | 17 |
| July 2025 | 88% | 16 |
| August 2025 | 81% | 16 |
| September 2025 | 100% | 13 |
| October 2025 | 88% | 17 |
| November 2025 | 73% | 11 |
| April 2026 | 83% | 12 |
| May 2026 | 100% | 19 |
Keep nerding
Based on 123 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.