BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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FLL→IAD

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

85.3% of 761 official scheduled FLL-to-IAD flights arrived on time; 7.9% arrived at least 30 minutes late and 0.7% 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 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

Which departure time was most reliable for FLL to IAD?

Among qualifying FLL-to-IAD departure window results, Early morning had the highest on-time rate: 90.0% of 160 flights. Evening was lowest at 77.7% across 179 flights.

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%

Which weekday was most reliable for FLL to IAD?

Among qualifying FLL-to-IAD weekday results, Tuesday had the highest on-time rate: 94.6% of 93 flights. Sunday was lowest at 72.9% across 118 flights.

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%

Which airline was most reliable for FLL to IAD?

Among qualifying FLL-to-IAD airline results, United Airlines had the highest on-time rate: 86.1% of 720 flights. Frontier Airlines was lowest at 70.7% across 41 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines72086.1%7.4%0.4%
Frontier Airlines4170.7%17.1%4.9%

Which month was most reliable for FLL to IAD?

Among qualifying FLL-to-IAD month results, August 2025 had the highest on-time rate: 93.9% of 49 flights. January 2026 was lowest at 76.3% across 59 flights.

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 FLL to IAD delay minutes?

National airspace was the largest recorded FLL-to-IAD delay category, accounting for 31.1% of 7,590 BTS-attributed delay minutes during July 2025–June 2026.

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.