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

Boston, MA (BOS) to Orlando, FL (MCO) flight delay odds

Historically, 67.8% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 4,606 flights.

HISTORICAL ROUTE SIGNALVariable
67.8%arrived on time
20.7%30+ min late
2.7%cancelled
4,606scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late12.1%all scheduled flights
120+ minutes late5.5%all scheduled flights
Diverted0.6%did not reach as scheduled
Average arrival+14.8 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Early morning1,13782.7%7.7%3.4%
Late morning1,04272.0%15.8%2.4%
Afternoon1,39459.4%27.7%2.7%
Evening98858.8%30.1%2.4%
Night4548.9%44.4%2.2%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday67062.2%23.1%6.9%
Tuesday62972.8%17.3%2.9%
Wednesday61478.8%14.0%1.5%
Thursday66371.6%20.2%0.8%
Friday67068.8%20.4%1.5%
Saturday68066.6%22.2%1.6%
Sunday68054.9%26.9%4.0%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
JetBlue Airways2,49365.4%22.0%2.9%
Delta Air Lines1,25773.7%17.4%2.1%
Spirit Airlines51560.8%24.9%4.1%
American Airlines21377.0%16.0%2.8%
Frontier Airlines12469.4%20.2%0.0%
Southwest Airlines450.0%0.0%0.0%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 202533959.9%31.0%2.7%
August 202535374.8%15.0%1.1%
September 202528875.0%18.8%0.7%
October 202533570.4%20.0%1.5%
November 202536569.6%18.1%3.8%
December 202543659.6%25.7%1.6%
January 202640461.4%21.3%5.7%
February 202644860.3%24.8%8.3%
March 202648865.2%22.1%3.9%
April 202652073.1%18.3%0.4%
May 202634577.1%14.8%0.3%
June 202628572.3%16.5%1.1%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline27.5%
Late aircraft41.7%
National airspace28.8%
Weather1.8%
Security0.2%
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.