ON TIMEBOARD

UA 1825 on time

United Airlines 1825: Washington to Fort Lauderdale at 8:15 a.m. (past 12 months)

On time
88%
250 flights · likely 83–91%
Cancelled
0.4%
of scheduled flights
Typical arrival
−11 min
median vs schedule
When late
+49 min
average delay
Similar flights
88%
UA, same route & hour

About 1 in 8 UA 1825 flights from Washington arrived 15+ minutes late, diverted or cancelled over the past year (12%); 0.4% were cancelled. The typical flight landed 11 minutes early.

UA 1825: IAD → FLL

Scheduled to leave Washington at 8:15 a.m. local time. Over the past year it arrived on time 88% of the time (250 flights), in line with other UA flights on the route at that hour (88%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Aug 2025: 83% on time (18 flights)83AugOct 2025: too few flights (6 flights)OctNov 2025: 93% on time (30 flights)93NovDec 2025: 87% on time (31 flights)87DecJan 2026: 84% on time (31 flights)84JanFeb 2026: 96% on time (24 flights)96FebMar 2026: 91% on time (22 flights)91MarApr 2026: 86% on time (21 flights)86AprMay 2026: 94% on time (18 flights)94MayJun 2026: 94% on time (18 flights)94JunJul 2026: 80% on time (20 flights)80JulAug 2026: 90% on time (29 flights)90Aug

By day of week

DayFlightsOn time
Monday4288%
Tuesday2592%
Wednesday19—
Thursday3288%
Friday4386%
Saturday4491%
Sunday4582%

Why it was late

Air traffic & airport (NAS) 61%Airline (crew, maintenance, ops) 21%Severe weather 13%Late inbound plane 5%

All flights IAD → FLL · Connecting off UA 1825? Check the risk

Questions

How often is UA 1825 from IAD to FLL late?

United Airlines 1825 from Washington, DC to Fort Lauderdale, FL arrived 15 or more minutes late, was diverted or was cancelled on 12% of 250 scheduled flights between September 2025 and August 2026. 0.4% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check United Airlines for today's flight. Method.