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

Orlando, FL (MCO) to Seattle, WA (SEA) flight delay odds

75.5% of 1,822 official scheduled MCO-to-SEA flights arrived on time; 13.4% arrived at least 30 minutes late and 1.0% 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
75.5%arrived on time
13.4%30+ min late
1.0%cancelled
1,822scheduled 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 late2.8%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+6.1 mincompleted flights

Which departure time was most reliable for MCO to SEA?

Among qualifying MCO-to-SEA departure window results, Late morning had the highest on-time rate: 86.4% of 535 flights. Evening was lowest at 65.8% across 631 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning46178.7%7.2%1.1%
Late morning53586.4%6.7%0.2%
Afternoon19569.7%21.0%0.0%
Evening63165.8%21.2%2.1%

Which weekday was most reliable for MCO to SEA?

Among qualifying MCO-to-SEA weekday results, Tuesday had the highest on-time rate: 78.2% of 257 flights. Sunday was lowest at 72.0% across 264 flights.

DayFlightsOn time30+ minCancelled
Monday26476.1%11.7%1.1%
Tuesday25778.2%12.8%0.4%
Wednesday25677.3%10.2%0.4%
Thursday25877.5%12.4%0.0%
Friday25974.5%14.7%2.3%
Saturday26473.1%14.8%0.4%
Sunday26472.0%17.0%2.7%

Which airline was most reliable for MCO to SEA?

Among qualifying MCO-to-SEA airline results, Alaska Airlines had the highest on-time rate: 76.7% of 1,103 flights. Delta Air Lines was lowest at 73.7% across 719 flights.

AirlineFlightsOn time30+ minCancelled
Alaska Airlines1,10376.7%12.0%0.7%
Delta Air Lines71973.7%15.6%1.5%

Which month was most reliable for MCO to SEA?

Among qualifying MCO-to-SEA month results, September 2025 had the highest on-time rate: 89.0% of 145 flights. August 2025 was lowest at 63.6% across 154 flights.

MonthFlightsOn time30+ minCancelled
July 202515471.4%16.9%1.9%
August 202515463.6%27.3%0.0%
September 202514589.0%4.8%0.0%
October 202515179.5%13.2%0.7%
November 202513980.6%10.1%0.7%
December 202515166.2%15.9%2.0%
January 202615072.7%14.7%0.7%
February 202615779.6%9.6%1.3%
March 202616664.5%19.3%3.6%
April 202615084.7%10.0%0.0%
May 202615581.3%7.1%1.3%
June 202615075.3%10.7%0.0%

What drove MCO to SEA delay minutes?

Late aircraft was the largest recorded MCO-to-SEA delay category, accounting for 35.5% of 25,855 BTS-attributed delay minutes during July 2025–June 2026.

Airline32.4%
Late aircraft35.5%
National airspace23.4%
Weather8.7%
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.