ON TIMEBOARD

UA 2739 on time

United Airlines 2739: Washington to Atlanta at 8:15 a.m. (past 12 months)

On time
89%
289 flights · likely 85–92%
Cancelled
0.4%
of scheduled flights
Typical arrival
−14 min
median vs schedule
When late
+74 min
average delay
Similar flights
90%
UA, same route & hour

About 1 in 9 UA 2739 flights from Washington arrived 15+ minutes late, diverted or cancelled over the past year (11%); 0.4% were cancelled. The typical flight landed 14 minutes early.

UA 2739: IAD → ATL

Scheduled to leave Washington at 8:15 a.m. local time. Over the past year it arrived on time 89% of the time (289 flights), in line with other UA flights on the route at that hour (90%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 90% on time (30 flights)90SepOct 2025: 84% on time (31 flights)84OctNov 2025: 90% on time (29 flights)90NovDec 2025: 80% on time (25 flights)80DecJan 2026: 86% on time (21 flights)86JanFeb 2026: 83% on time (18 flights)83FebMar 2026: 97% on time (29 flights)97MarApr 2026: 96% on time (26 flights)96AprMay 2026: 95% on time (19 flights)95MayJun 2026: 94% on time (18 flights)94JunJul 2026: 75% on time (16 flights)75JulAug 2026: 93% on time (27 flights)93Aug

By day of week

DayFlightsOn time
Monday4787%
Tuesday3879%
Wednesday2692%
Thursday4098%
Friday5190%
Saturday3689%
Sunday5188%

Why it was late

Air traffic & airport (NAS) 38%Airline (crew, maintenance, ops) 32%Late inbound plane 30%

All flights IAD → ATL · Connecting off UA 2739? Check the risk

Questions

How often is UA 2739 from IAD to ATL late?

United Airlines 2739 from Washington, DC to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 11% of 289 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.