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

Fort Lauderdale, FL (FLL) to Washington, DC (IAD) flight delay odds

Historically, 85.3% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 761 flights.

HISTORICAL ROUTE SIGNALLower disruption
85.3%arrived on time
7.9%30+ min late
0.7%cancelled
761scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.1%all scheduled flights
120+ minutes late1.8%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+0.2 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 morning16090.0%3.8%0.0%
Late morning9090.0%3.3%0.0%
Afternoon33285.8%7.2%0.3%
Evening17977.7%15.1%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
Monday11584.3%9.6%2.6%
Tuesday9394.6%2.2%0.0%
Wednesday9086.7%8.9%0.0%
Thursday11293.8%5.4%0.0%
Friday11782.1%10.3%0.0%
Saturday11685.3%8.6%0.0%
Sunday11872.9%9.3%1.7%

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
United Airlines72086.1%7.4%0.4%
Frontier Airlines4170.7%17.1%4.9%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 20256186.9%6.6%0.0%
August 20254993.9%2.0%0.0%
September 20253093.3%6.7%0.0%
October 20253791.9%5.4%0.0%
November 20256083.3%5.0%0.0%
December 20257688.2%9.2%0.0%
January 20265976.3%13.6%3.4%
February 20266576.9%12.3%0.0%
March 20268481.0%9.5%1.2%
April 20268187.7%6.2%0.0%
May 20268185.2%9.9%0.0%
June 20267887.2%5.1%2.6%

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.

Airline25.2%
Late aircraft25.9%
National airspace31.1%
Weather17.9%
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.