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

Washington, DC (IAD) to Orlando, FL (MCO) flight delay odds

80.7% of 2,176 official scheduled IAD-to-MCO flights arrived on time; 11.7% arrived at least 30 minutes late and 0.9% 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 SIGNALLower disruption
80.7%arrived on time
11.7%30+ min late
0.9%cancelled
2,176scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.8%all scheduled flights
120+ minutes late2.9%all scheduled flights
Diverted0.4%did not reach as scheduled
Average arrival+3.1 mincompleted flights

Which departure time was most reliable for IAD to MCO?

Among qualifying IAD-to-MCO departure window results, Late morning had the highest on-time rate: 90.4% of 376 flights. Evening was lowest at 70.5% across 509 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning34285.4%6.7%1.5%
Late morning37690.4%5.9%0.5%
Afternoon56981.7%10.9%0.7%
Evening50970.5%19.4%1.2%
Night38078.7%12.6%0.5%

Which weekday was most reliable for IAD to MCO?

Among qualifying IAD-to-MCO weekday results, Tuesday had the highest on-time rate: 87.7% of 268 flights. Sunday was lowest at 70.7% across 334 flights.

DayFlightsOn time30+ minCancelled
Monday32179.8%12.1%0.9%
Tuesday26887.7%7.5%0.0%
Wednesday27685.9%9.4%0.0%
Thursday32282.0%11.8%0.9%
Friday33378.4%13.8%0.3%
Saturday32282.6%11.2%0.3%
Sunday33470.7%14.7%3.3%

Which airline was most reliable for IAD to MCO?

Among qualifying IAD-to-MCO airline results, United Airlines had the highest on-time rate: 82.2% of 1,897 flights. Frontier Airlines was lowest at 70.3% across 279 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines1,89782.2%10.6%0.6%
Frontier Airlines27970.3%18.6%2.9%

Which month was most reliable for IAD to MCO?

Among qualifying IAD-to-MCO month results, April 2026 had the highest on-time rate: 90.6% of 212 flights. July 2025 was lowest at 68.2% across 176 flights.

MonthFlightsOn time30+ minCancelled
July 202517668.2%21.0%1.7%
August 202517869.7%19.7%0.6%
September 202517190.1%6.4%0.0%
October 202517783.1%11.3%0.0%
November 202517176.6%11.1%1.2%
December 202517276.7%12.2%0.0%
January 202618678.5%11.3%3.8%
February 202617085.3%10.6%0.0%
March 202619782.7%9.6%2.0%
April 202621290.6%4.2%0.5%
May 202619785.8%10.2%0.0%
June 202616978.1%14.2%0.6%

What drove IAD to MCO delay minutes?

National airspace was the largest recorded IAD-to-MCO delay category, accounting for 38.7% of 28,087 BTS-attributed delay minutes during July 2025–June 2026.

Airline24.7%
Late aircraft32.9%
National airspace38.7%
Weather3.8%
Security0.0%
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.