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

Washington, DC (IAD) to Fort Myers, FL (RSW) flight delay odds

Historically, 87.8% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 468 flights.

HISTORICAL ROUTE SIGNALLower disruption
87.8%arrived on time
8.3%30+ min late
0.6%cancelled
468scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.3%all scheduled flights
120+ minutes late2.6%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+0.9 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 morning10994.5%2.8%0.0%
Late morning12192.6%5.0%0.8%
Afternoon13981.3%12.2%1.4%
Evening9983.8%13.1%0.0%

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
Monday6681.8%15.2%0.0%
Tuesday6098.3%1.7%0.0%
Wednesday6692.4%4.5%0.0%
Thursday6994.2%5.8%0.0%
Friday6987.0%7.2%1.4%
Saturday6982.6%10.1%0.0%
Sunday6979.7%13.0%2.9%

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
United Airlines46887.8%8.3%0.6%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202531100.0%0.0%0.0%
August 20253196.8%3.2%0.0%
September 20253086.7%6.7%0.0%
October 20253171.0%12.9%6.5%
November 20253076.7%23.3%0.0%
December 20254584.4%8.9%0.0%
January 20263686.1%11.1%2.8%
February 20264285.7%9.5%0.0%
March 20265789.5%8.8%0.0%
April 20266093.3%6.7%0.0%
May 20264586.7%8.9%0.0%
June 20263093.3%0.0%0.0%

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.

Airline26.4%
Late aircraft38.5%
National airspace32.7%
Weather2.4%
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.