BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
MCO→ISP

Orlando, FL (MCO) to Islip, NY (ISP) flight delay odds

73.3% of 1,427 official scheduled MCO-to-ISP flights arrived on time; 15.9% arrived at least 30 minutes late and 1.8% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
73.3%arrived on time
15.9%30+ min late
1.8%cancelled
1,427scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.4%all scheduled flights
120+ minutes late2.9%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+8.5 mincompleted flights

Which departure time was most reliable for MCO to ISP?

Among qualifying MCO-to-ISP departure window results, Early morning had the highest on-time rate: 90.1% of 494 flights. Evening was lowest at 55.2% across 377 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning49490.1%4.9%1.8%
Late morning23675.4%11.9%0.4%
Afternoon28869.1%19.4%1.4%
Evening37755.2%28.6%2.9%

Which weekday was most reliable for MCO to ISP?

Among qualifying MCO-to-ISP weekday results, Tuesday had the highest on-time rate: 85.2% of 183 flights. Sunday was lowest at 66.2% across 213 flights.

DayFlightsOn time30+ minCancelled
Monday21268.9%15.6%4.2%
Tuesday18385.2%7.1%1.6%
Wednesday18578.4%14.1%0.0%
Thursday20272.3%18.8%0.0%
Friday21073.8%15.7%0.5%
Saturday22270.7%17.6%1.4%
Sunday21366.2%21.1%4.2%

Which airline was most reliable for MCO to ISP?

Among qualifying MCO-to-ISP airline results, JetBlue Airways had the highest on-time rate: 86.6% of 374 flights. Southwest Airlines was lowest at 66.0% across 677 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines67766.0%19.5%1.6%
Frontier Airlines37673.1%18.4%2.4%
JetBlue Airways37486.6%7.0%1.3%

Which month was most reliable for MCO to ISP?

Among qualifying MCO-to-ISP month results, September 2025 had the highest on-time rate: 88.8% of 107 flights. March 2026 was lowest at 63.4% across 112 flights.

MonthFlightsOn time30+ minCancelled
July 202512464.5%26.6%0.0%
August 202512569.6%21.6%0.8%
September 202510788.8%4.7%0.0%
October 202511174.8%16.2%0.0%
November 202513083.8%10.0%0.0%
December 202513364.7%21.1%2.3%
January 202610478.8%9.6%4.8%
February 202611067.3%17.3%8.2%
March 202611263.4%21.4%3.6%
April 202612774.0%11.8%0.0%
May 202612677.8%11.1%0.8%
June 202611873.7%17.8%1.7%

What drove MCO to ISP delay minutes?

Late aircraft was the largest recorded MCO-to-ISP delay category, accounting for 45.6% of 20,948 BTS-attributed delay minutes during July 2025–June 2026.

Airline30.5%
Late aircraft45.6%
National airspace15.7%
Weather7.9%
Security0.3%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.