United Airlines IAD to FLL on-time performance
United Airlines nonstop flights from Washington to Fort Lauderdale · Aug 2025 – Jul 2026
On-time arrivals
84%
arrived < 15 min late
Cancelled
0.6%
4 flights
Avg arrival delay
12 min
70 min when late
Rank on route
#1 of 2
route average 81% on time
Key facts
- United Airlines flights on IAD to FLL arrived on time 84% of the time in Aug 2025 – Jul 2026.
- 0.6% were cancelled, and 6% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 81% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (39%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion39%
- Late-arriving aircraft36%
- Airline (crew, maintenance, cleaning, fueling)22%
- Extreme weather4%
- Security0%
Other airlines on IAD to FLL
- Frontier Airlines50% on time · 43 min avg delay
Full IAD to FLL comparison →
United Airlines on-time record across all routes →
709 United Airlines flights tracked on this route; 4 cancelled, 2 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.