ON TIMEBOARD

DL 5689 on time

Delta Air Lines 5689: Boston to Washington at 3:55 p.m.; Washington to Boston at 6:30 p.m. (past 12 months). Figures below the title are for BOS → DCA, its busiest leg

On time
64%
303 flights · likely 58–69%
Cancelled
5.9%
of scheduled flights
Typical arrival
0 min
median vs schedule
When late
+63 min
average delay
Similar flights
64%
DL, same route & hour

About 1 in 3 DL 5689 flights from Boston arrived 15+ minutes late, diverted or cancelled over the past year (36%); 5.9% were cancelled. The typical flight landed 0 minutes early.

DL 5689: BOS → DCA

Scheduled to leave Boston at 3:55 p.m. local time, operated by Republic Airways as YX 5689. Over the past year it arrived on time 64% of the time (303 flights), in line with other DL flights on the route at that hour (64%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 62% on time (26 flights)62SepOct 2025: 64% on time (25 flights)64OctNov 2025: 55% on time (22 flights)55NovDec 2025: 71% on time (17 flights)71DecJan 2026: 74% on time (23 flights)74JanFeb 2026: 67% on time (24 flights)67FebMar 2026: 52% on time (27 flights)52MarApr 2026: 71% on time (28 flights)71AprMay 2026: 71% on time (31 flights)71MayJun 2026: 59% on time (27 flights)59JunJul 2026: 63% on time (27 flights)63JulAug 2026: 62% on time (26 flights)62Aug

By day of week

DayFlightsOn time
Monday5163%
Tuesday5072%
Wednesday5060%
Thursday4963%
Friday4564%
Saturday9—
Sunday4957%

Why it was late

Air traffic & airport (NAS) 50%Late inbound plane 27%Airline (crew, maintenance, ops) 22%Severe weather 1%

All flights BOS → DCA · Connecting off DL 5689? Check the risk

DL 5689: DCA → BOS

Scheduled to leave Washington at 6:30 p.m. local time, operated by Republic Airways as YX 5689. Over the past year it arrived on time 53% of the time (151 flights), in line with other DL flights on the route at that hour (54%). Last seen in the data Aug 31, 2026.

Month by month

20%60%100%Apr 2024: 73% on time (22 flights)73AprMay 2024: too few flights (6 flights)MayFeb 2026: too few flights (14 flights)FebMar 2026: 52% on time (27 flights)52MarApr 2026: too few flights (10 flights)AprMay 2026: 67% on time (21 flights)67MayJun 2026: 62% on time (26 flights)62JunJul 2026: 33% on time (27 flights)33JulAug 2026: 50% on time (26 flights)50Aug

By day of week

DayFlightsOn time
Monday2548%
Tuesday2454%
Wednesday2450%
Thursday2650%
Friday2654%
Sunday2662%

Why it was late

Air traffic & airport (NAS) 47%Late inbound plane 32%Airline (crew, maintenance, ops) 17%Severe weather 4%

All flights DCA → BOS · Connecting off DL 5689? Check the risk

Questions

How often is DL 5689 from BOS to DCA late?

Delta Air Lines 5689 from Boston, MA to Washington, DC arrived 15 or more minutes late, was diverted or was cancelled on 36% of 303 scheduled flights between September 2025 and August 2026. 5.9% were cancelled.

How often is DL 5689 from DCA to BOS late?

Delta Air Lines 5689 from Washington, DC to Boston, MA arrived 15 or more minutes late, was diverted or was cancelled on 47% of 151 scheduled flights between September 2025 and August 2026. 11.9% 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.