Historical on-time performance
Fort Lauderdale to Washington
901 miData through Dec 2025Source: US DOT · BTS
Flights on FLL–IAD arrive on time 87% of the time over the last 12 months.
On-time rate87%arrived within 15 min
p90 delay20 min1 in 10 flights is worse (tail risk)
Cancelled0.4%of scheduled flights
based on 770 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesOn-time87%Medianon timep9020 minCancel0.4%Flights770
Why flights run late
Delay causes
- Airline27%
- Weather4%
- Air traffic (NAS)25%
- Late aircraft45%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly FLL → IAD
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 90% on time.
- Mornings90% on time · p90 10 min · 926 flights
- Middays84% on time · p90 25 min · 1,094 flights
- Evenings79% on time · p90 50 min · 313 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 78% to 90% on time.
- Tuesdays90% on time · p90 10 min · 322 flights
- Fridays88% on time · p90 15 min · 338 flights
- Wednesdays87% on time · p90 15 min · 319 flights
- Mondays87% on time · p90 15 min · 342 flights
- Thursdays87% on time · p90 20 min · 338 flights
- Saturdays86% on time · p90 25 min · 333 flights
- Sundays78% on time · p90 45 min · 341 flights
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