ON TIMEBOARD

UA 2276 on time

United Airlines 2276: Washington to Los Angeles at 6:00 p.m. (past 12 months)

On time
69%
341 flights · likely 64–74%
Cancelled
1.5%
of scheduled flights
Typical arrival
−1 min
median vs schedule
When late
+73 min
average delay
Similar flights
75%
UA, same route & hour

About 1 in 3 UA 2276 flights from Washington arrived 15+ minutes late, diverted or cancelled over the past year (31%); 1.5% were cancelled. The typical flight landed 1 minutes early.

UA 2276: IAD → LAX

Scheduled to leave Washington at 6:00 p.m. local time. Over the past year it arrived on time 69% of the time (341 flights), worse than other UA flights on the route at that hour (75%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: too few flights (6 flights)SepOct 2025: 81% on time (31 flights)81OctNov 2025: 70% on time (30 flights)70NovDec 2025: 58% on time (31 flights)58DecJan 2026: 65% on time (31 flights)65JanFeb 2026: 61% on time (28 flights)61FebMar 2026: 65% on time (31 flights)65MarApr 2026: 67% on time (30 flights)67AprMay 2026: 84% on time (31 flights)84MayJun 2026: 63% on time (30 flights)63JunJul 2026: 68% on time (31 flights)68JulAug 2026: 74% on time (31 flights)74Aug

By day of week

DayFlightsOn time
Monday4971%
Tuesday4865%
Wednesday4877%
Thursday4967%
Friday4967%
Saturday4971%
Sunday4963%

Why it was late

Airline (crew, maintenance, ops) 36%Air traffic & airport (NAS) 26%Late inbound plane 25%Severe weather 13%

All flights IAD → LAX · Connecting off UA 2276? Check the risk

Questions

How often is UA 2276 from IAD to LAX late?

United Airlines 2276 from Washington, DC to Los Angeles, CA arrived 15 or more minutes late, was diverted or was cancelled on 31% of 341 scheduled flights between September 2025 and August 2026. 1.5% 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.