ON TIMEBOARD

DL 1558 on time

Delta Air Lines 1558: Washington to Detroit at 9:39 a.m.; Detroit to Washington at 7:05 a.m. (past 12 months). Figures below the title are for DCA → DTW, its busiest leg

On time
81%
361 flights · likely 77–85%
Cancelled
3.6%
of scheduled flights
Typical arrival
−15 min
median vs schedule
When late
+71 min
average delay
Similar flights
82%
DL, same route & hour

About 1 in 5 DL 1558 flights from Washington arrived 15+ minutes late, diverted or cancelled over the past year (19%); 3.6% were cancelled. The typical flight landed 15 minutes early.

DL 1558: DCA → DTW

Scheduled to leave Washington at 9:39 a.m. local time. Over the past year it arrived on time 81% of the time (361 flights), in line with other DL flights on the route at that hour (82%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 97% on time (30 flights)97SepOct 2025: 97% on time (31 flights)97OctNov 2025: 70% on time (30 flights)70NovDec 2025: 64% on time (28 flights)64DecJan 2026: 73% on time (30 flights)73JanFeb 2026: 79% on time (28 flights)79FebMar 2026: 74% on time (31 flights)74MarApr 2026: 73% on time (30 flights)73AprMay 2026: 94% on time (31 flights)94MayJun 2026: 93% on time (30 flights)93JunJul 2026: 81% on time (31 flights)81JulAug 2026: 81% on time (31 flights)81Aug

By day of week

DayFlightsOn time
Monday5375%
Tuesday5273%
Wednesday5088%
Thursday5086%
Friday5279%
Saturday5288%
Sunday5281%

Why it was late

Late inbound plane 56%Airline (crew, maintenance, ops) 37%Air traffic & airport (NAS) 7%

All flights DCA → DTW · Connecting off DL 1558? Check the risk

DL 1558: DTW → DCA

Scheduled to leave Detroit at 7:05 a.m. local time. Over the past year it arrived on time 78% of the time (361 flights), in line with other DL flights on the route at that hour (78%). Last seen in the data Aug 31, 2026.

Month by month

30%65%100%Sep 2025: 97% on time (30 flights)97SepOct 2025: 90% on time (31 flights)90OctNov 2025: 63% on time (30 flights)63NovDec 2025: 64% on time (28 flights)64DecJan 2026: 43% on time (30 flights)43JanFeb 2026: 61% on time (28 flights)61FebMar 2026: 71% on time (31 flights)71MarApr 2026: 77% on time (30 flights)77AprMay 2026: 94% on time (31 flights)94MayJun 2026: 93% on time (30 flights)93JunJul 2026: 90% on time (31 flights)90JulAug 2026: 84% on time (31 flights)84Aug

By day of week

DayFlightsOn time
Monday5374%
Tuesday5277%
Wednesday5084%
Thursday5076%
Friday5275%
Saturday5285%
Sunday5273%

Why it was late

Air traffic & airport (NAS) 54%Airline (crew, maintenance, ops) 46%

All flights DTW → DCA · Connecting off DL 1558? Check the risk

Questions

How often is DL 1558 from DCA to DTW late?

Delta Air Lines 1558 from Washington, DC to Detroit, MI arrived 15 or more minutes late, was diverted or was cancelled on 19% of 361 scheduled flights between September 2025 and August 2026. 3.6% were cancelled.

How often is DL 1558 from DTW to DCA late?

Delta Air Lines 1558 from Detroit, MI to Washington, DC arrived 15 or more minutes late, was diverted or was cancelled on 22% of 361 scheduled flights between September 2025 and August 2026. 3.6% 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.