MCO to ISP flight delays & on-time performance
Nonstop flights from Orlando International Airport to Long Island MacArthur Airport · 971 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MCO or ISP right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Orlando (MCO) to Islip (ISP) arrived on time 76% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.8% were cancelled, and 7% arrived an hour or more late.
- JetBlue was the most punctual airline here (86% on time); Southwest Airlines was the least (68%).
- Departures scheduled around 8am did best (93% on time); around 7pm did worst (50%).
- Tuesday was the most reliable day to fly (83% on time) and Saturday the least (72%).
- The largest source of delay minutes was late-arriving aircraft (46%).
Which airline is most on time from MCO to ISP?
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 |
|---|---|---|---|---|---|
| JetBlue | 86% | 1.3% | 9 min | 4.4% | 392 |
| Frontier Airlines | 78% | 2.5% | 17 min | 8.2% | 364 |
| Southwest Airlines | 68% | 1.6% | 18 min | 8.1% | 667 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am100%15 flights
- 6am92%144 flights
- 7am92%183 flights
- 8am93%182 flights
- 9am83%83 flights
- 10am77%86 flights
- 11am57%46 flights
- 12pm79%96 flights
- 1pm68%72 flights
- 2pm72%32 flights
- 3pm78%42 flights
- 4pm56%35 flights
- 5pm73%46 flights
- 6pm63%57 flights
- 7pm50%107 flights
- 8pm52%166 flights
- 9pm60%30 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday73%4.2% cancelled
- Tuesday83%1.8% cancelled
- Wednesday78%0.0% cancelled
- Thursday78%0.0% cancelled
- Friday75%0.5% cancelled
- Saturday72%1.3% cancelled
- Sunday72%4.3% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft46%
- Airline (crew, maintenance, cleaning, fueling)30%
- Air traffic control & airport congestion16%
- Extreme weather7%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather68%
- Airline (crew, maintenance, cleaning, fueling)16%
- Air traffic control & airport congestion16%
- Security0%
MCO to ISP: common questions
- How often are MCO to ISP flights on time?
- 76% 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 Orlando to Islip cancelled?
- 1.8% of scheduled flights were cancelled (25 of 1,423).
- How long are typical delays?
- Across all flights the average arrival delay was 15 min (early arrivals count as zero). Flights that were late arrived 58 min behind schedule on average, and 7.1% of flights were an hour or more late.
- How long is taxi time at MCO?
- Flights on this route spent 20 min taxiing from the gate to takeoff on average.
Related routes
Return trip: ISP to MCO — 73% on time
More flights from Orlando
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: MCO → ISP, nonstop flights by US airlines that report to the DOT. How we calculate this.