ON TIMEBOARD

DL 385 on time

Delta Air Lines 385: Boston to Atlanta at 9:05 a.m. (past 12 months)

On time
84%
347 flights · likely 80–88%
Cancelled
2.6%
of scheduled flights
Typical arrival
−11 min
median vs schedule
When late
+79 min
average delay
Similar flights
84%
DL, same route & hour

About 1 in 6 DL 385 flights from Boston arrived 15+ minutes late, diverted or cancelled over the past year (16%); 2.6% were cancelled. The typical flight landed 11 minutes early.

DL 385: BOS → ATL

Scheduled to leave Boston at 9:05 a.m. local time. Over the past year it arrived on time 84% of the time (347 flights), in line with other DL flights on the route at that hour (84%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 90% on time (30 flights)90SepOct 2025: 82% on time (28 flights)82OctNov 2025: 82% on time (28 flights)82NovDec 2025: 81% on time (31 flights)81DecJan 2026: 76% on time (25 flights)76JanFeb 2026: 78% on time (23 flights)78FebMar 2026: 83% on time (30 flights)83MarApr 2026: 87% on time (30 flights)87AprMay 2026: 97% on time (31 flights)97MayJun 2026: 86% on time (29 flights)86JunJul 2026: 81% on time (31 flights)81JulAug 2026: 84% on time (31 flights)84Aug

By day of week

DayFlightsOn time
Monday5275%
Tuesday5279%
Wednesday5296%
Thursday5281%
Friday5290%
Saturday3884%
Sunday4984%

Why it was late

Airline (crew, maintenance, ops) 45%Late inbound plane 41%Air traffic & airport (NAS) 14%

All flights BOS → ATL · Connecting off DL 385? Check the risk

Questions

How often is DL 385 from BOS to ATL late?

Delta Air Lines 385 from Boston, MA to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 16% of 347 scheduled flights between September 2025 and August 2026. 2.6% 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.