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

Boston, MA (BOS) to Fort Myers, FL (RSW) flight delay odds

Historically, 68.4% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 2,253 flights.

HISTORICAL ROUTE SIGNALVariable
68.4%arrived on time
19.8%30+ min late
2.6%cancelled
2,253scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.5%all scheduled flights
120+ minutes late4.0%all scheduled flights
Diverted0.4%did not reach as scheduled
Average arrival+11.6 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 morning74981.7%9.3%2.5%
Late morning25370.8%18.2%2.4%
Afternoon84059.9%26.2%2.6%
Evening40060.0%26.8%2.8%

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
Monday33961.7%21.5%6.2%
Tuesday30872.1%17.5%2.6%
Wednesday30579.7%12.1%0.7%
Thursday32869.5%19.5%0.6%
Friday33570.1%21.8%1.2%
Saturday30168.8%20.6%2.0%
Sunday33758.2%24.9%4.7%

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 Airways1,59667.2%20.9%2.6%
Delta Air Lines58276.3%15.1%1.5%
Spirit Airlines7530.7%34.7%10.7%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202515366.7%23.5%3.9%
August 202511977.3%13.4%1.7%
September 202510878.7%14.8%0.9%
October 202512776.4%14.2%0.0%
November 202518279.1%12.6%2.2%
December 202523358.8%30.9%0.9%
January 202617953.6%26.8%5.0%
February 202623858.8%23.9%9.2%
March 202632657.7%25.8%3.4%
April 202629872.8%16.1%0.3%
May 202618683.3%9.1%0.0%
June 202610483.7%11.5%1.0%

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.

Airline29.8%
Late aircraft39.8%
National airspace27.6%
Weather2.7%
Security0.1%
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.