ISP to MYR flight delays & on-time performance
Nonstop flights from Long Island MacArthur Airport to Myrtle Beach International Airport · 586 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at ISP or MYR right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Islip (ISP) to Myrtle Beach (MYR) arrived on time 84% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 3.3% were cancelled, and 8% arrived an hour or more late.
- Frontier Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 11am did best (88% on time); around 3pm did worst (79%).
- Monday was the most reliable day to fly (100% on time) and Saturday the least (69%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (52%).
Which airline is most on time from ISP to MYR?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Frontier Airlines | 84% | 3.3% | 12 min | 7.7% | 121 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 8am77%13 flights
- 10am83%12 flights
- 11am88%43 flights
- 3pm79%45 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday100%0.0% cancelled
- Tuesday100%8.3% cancelled
- Wednesday89%0.0% cancelled
- Thursday82%5.6% cancelled
- Friday84%0.0% cancelled
- Saturday69%3.7% cancelled
- Sunday75%5.9% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)52%
- Late-arriving aircraft25%
- Air traffic control & airport congestion22%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)50%
- Extreme weather50%
- Air traffic control & airport congestion0%
- Security0%
ISP to MYR: common questions
- How often are ISP to MYR flights on time?
- 84% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Islip to Myrtle Beach cancelled?
- 3.3% of scheduled flights were cancelled (4 of 121).
- How long are typical delays?
- Across all flights the average arrival delay was 12 min (early arrivals count as zero). Flights that were late arrived 72 min behind schedule on average, and 7.7% of flights were an hour or more late.
- How long is taxi time at ISP?
- Flights on this route spent 15 min taxiing from the gate to takeoff on average.
Related routes
Return trip: MYR to ISP — 77% on time
More flights from Islip
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: ISP → MYR, nonstop flights by US airlines that report to the DOT. How we calculate this.