ON TIMEBOARD

DL 2549 on time

Delta Air Lines 2549: Atlanta to Washington at 10:53 p.m. (past 12 months)

On time
71%
329 flights · likely 66–75%
Cancelled
2.7%
of scheduled flights
Typical arrival
−1 min
median vs schedule
When late
+111 min
average delay
Similar flights
67%
DL, same route & hour

About 1 in 3 DL 2549 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (29%); 2.7% were cancelled. The typical flight landed 1 minutes early.

DL 2549: ATL → IAD

Scheduled to leave Atlanta at 10:53 p.m. local time. Over the past year it arrived on time 71% of the time (329 flights), better than other DL flights on the route at that hour (67%). Last seen in the data Aug 31, 2026.

Usually Delta Air Lines's last flight of the day from Atlanta to Washington (100% of days). Delta Air Lines's last ATL–IAD flight was cancelled 2.7% of the time, against 2.7% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 7:36 a.m. the next morning.

Month by month

40%70%100%Sep 2025: 86% on time (29 flights)86SepOct 2025: 72% on time (18 flights)72OctNov 2025: 63% on time (16 flights)63NovDec 2025: 71% on time (24 flights)71DecJan 2026: 63% on time (30 flights)63JanFeb 2026: 75% on time (28 flights)75FebMar 2026: 65% on time (31 flights)65MarApr 2026: 83% on time (30 flights)83AprMay 2026: 84% on time (31 flights)84MayJun 2026: 83% on time (30 flights)83JunJul 2026: 58% on time (31 flights)58JulAug 2026: 45% on time (31 flights)45Aug

By day of week

DayFlightsOn time
Monday5171%
Tuesday4772%
Wednesday4580%
Thursday4676%
Friday4869%
Saturday4372%
Sunday4957%

Why it was late

Airline (crew, maintenance, ops) 78%Late inbound plane 15%Air traffic & airport (NAS) 7%Severe weather 1%

All flights ATL → IAD · Connecting off DL 2549? Check the risk

Questions

How often is DL 2549 from ATL to IAD late?

Delta Air Lines 2549 from Atlanta, GA to Washington, DC arrived 15 or more minutes late, was diverted or was cancelled on 29% of 329 scheduled flights between September 2025 and August 2026. 2.7% 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 Delta Air Lines for today's flight. Method.