ON TIMEBOARD

DL 537 on time

Delta Air Lines 537: Atlanta to Washington at 9:59 p.m. (past 12 months)

On time
65%
364 flights · likely 60–70%
Cancelled
2.8%
of scheduled flights
Typical arrival
−0 min
median vs schedule
When late
+67 min
average delay
Similar flights
65%
DL, same route & hour

About 1 in 3 DL 537 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (35%); 2.8% were cancelled. The typical flight landed 0 minutes early.

DL 537: ATL → DCA

Scheduled to leave Atlanta at 9:59 p.m. local time. Over the past year it arrived on time 65% of the time (364 flights), in line with other DL flights on the route at that hour (65%). 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–DCA flight was cancelled 2.7% of the time, against 2.4% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 7:25 a.m. the next morning.

Month by month

40%70%100%Sep 2025: 87% on time (30 flights)87SepOct 2025: 87% on time (31 flights)87OctNov 2025: 62% on time (29 flights)62NovDec 2025: 48% on time (31 flights)48DecJan 2026: 74% on time (31 flights)74JanFeb 2026: 71% on time (28 flights)71FebMar 2026: 52% on time (31 flights)52MarApr 2026: 73% on time (30 flights)73AprMay 2026: 58% on time (31 flights)58MayJun 2026: 77% on time (30 flights)77JunJul 2026: 45% on time (31 flights)45JulAug 2026: 48% on time (31 flights)48Aug

By day of week

DayFlightsOn time
Monday5372%
Tuesday5273%
Wednesday5263%
Thursday5161%
Friday5260%
Saturday5275%
Sunday5252%

Why it was late

Airline (crew, maintenance, ops) 43%Air traffic & airport (NAS) 30%Late inbound plane 23%Severe weather 4%

All flights ATL → DCA · Connecting off DL 537? Check the risk

Questions

How often is DL 537 from ATL to DCA late?

Delta Air Lines 537 from Atlanta, GA to Washington, DC arrived 15 or more minutes late, was diverted or was cancelled on 35% of 364 scheduled flights between September 2025 and August 2026. 2.8% 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.