ISP to MCO flight delays & on-time performance
Nonstop flights from Long Island MacArthur Airport to Orlando International Airport · 971 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at ISP or MCO 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 Orlando (MCO) arrived on time 73% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 2% were cancelled, and 10% arrived an hour or more late.
- JetBlue was the most punctual airline here (76% on time); Frontier Airlines was the least (72%).
- Departures scheduled around 5am did best (92% on time); around 6pm did worst (48%).
- Tuesday was the most reliable day to fly (80% on time) and Friday the least (67%).
- The largest source of delay minutes was late-arriving aircraft (43%).
Which airline is most on time from ISP to MCO?
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 | 76% | 1.8% | 22 min | 10.5% | 392 |
| Southwest Airlines | 73% | 1.5% | 17 min | 8.5% | 668 |
| Frontier Airlines | 72% | 3.0% | 25 min | 12.6% | 364 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am92%88 flights
- 6am86%197 flights
- 7am86%37 flights
- 8am86%23 flights
- 9am84%87 flights
- 10am80%148 flights
- 11am87%111 flights
- 12pm73%55 flights
- 1pm67%67 flights
- 2pm73%33 flights
- 3pm61%79 flights
- 4pm69%144 flights
- 5pm58%156 flights
- 6pm48%95 flights
- 7pm52%27 flights
- 8pm58%43 flights
- 9pm70%34 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday73%5.6% cancelled
- Tuesday80%1.2% cancelled
- Wednesday77%0.5% cancelled
- Thursday77%1.0% cancelled
- Friday67%0.5% cancelled
- Saturday74%0.9% cancelled
- Sunday68%3.8% 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 aircraft43%
- Air traffic control & airport congestion26%
- Airline (crew, maintenance, cleaning, fueling)23%
- Extreme weather8%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather71%
- Airline (crew, maintenance, cleaning, fueling)14%
- Air traffic control & airport congestion14%
- Security0%
ISP to MCO: common questions
- How often are ISP to MCO flights on time?
- 73% 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 Orlando cancelled?
- 2.0% of scheduled flights were cancelled (28 of 1,424).
- How long are typical delays?
- Across all flights the average arrival delay was 20 min (early arrivals count as zero). Flights that were late arrived 72 min behind schedule on average, and 10.1% of flights were an hour or more late.
- How long is taxi time at ISP?
- Flights on this route spent 14 min taxiing from the gate to takeoff on average.
Related routes
Return trip: MCO to ISP — 76% 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 → MCO, nonstop flights by US airlines that report to the DOT. How we calculate this.