ON TIMEBOARD

DL 2859 on time

Delta Air Lines 2859: Hartford to Detroit at 9:43 a.m.; Detroit to Hartford at 7:00 a.m. (past 12 months). Figures below the title are for BDL → DTW, its busiest leg

On time
90%
164 flights · likely 85–94%
Cancelled
4.9%
of scheduled flights
Typical arrival
−13 min
median vs schedule
When late
+35 min
average delay
Similar flights
90%
DL, same route & hour

About 1 in 10 DL 2859 flights from Hartford arrived 15+ minutes late, diverted or cancelled over the past year (10%); 4.9% were cancelled. The typical flight landed 13 minutes early.

DL 2859: BDL → DTW

Scheduled to leave Hartford at 9:43 a.m. local time. Over the past year it arrived on time 90% of the time (164 flights), in line with other DL flights on the route at that hour (90%). Last seen in the data Aug 30, 2026.

Month by month

40%70%100%May 2025: 95% on time (20 flights)95MayJun 2025: 79% on time (24 flights)79JunJul 2025: 70% on time (23 flights)70JulAug 2025: 90% on time (20 flights)90AugSep 2025: 100% on time (17 flights)100SepOct 2025: 100% on time (20 flights)100OctNov 2025: 94% on time (18 flights)94NovDec 2025: 71% on time (17 flights)71DecMay 2026: 95% on time (20 flights)95MayJun 2026: 96% on time (23 flights)96JunJul 2026: 83% on time (24 flights)83JulAug 2026: 84% on time (25 flights)84Aug

By day of week

DayFlightsOn time
Monday2789%
Tuesday2796%
Wednesday27100%
Thursday2793%
Friday2886%
Saturday1—
Sunday2778%

Why it was late

Late inbound plane 41%Air traffic & airport (NAS) 34%Airline (crew, maintenance, ops) 25%

All flights BDL → DTW · Connecting off DL 2859? Check the risk

DL 2859: DTW → BDL

Scheduled to leave Detroit at 7:00 a.m. local time. Over the past year it arrived on time 92% of the time (164 flights), in line with other DL flights on the route at that hour (92%). Last seen in the data Aug 30, 2026.

Month by month

40%70%100%May 2025: 95% on time (20 flights)95MayJun 2025: 88% on time (24 flights)88JunJul 2025: 70% on time (23 flights)70JulAug 2025: 85% on time (20 flights)85AugSep 2025: 100% on time (17 flights)100SepOct 2025: 100% on time (20 flights)100OctNov 2025: 94% on time (18 flights)94NovDec 2025: 82% on time (17 flights)82DecMay 2026: 95% on time (20 flights)95MayJun 2026: 96% on time (23 flights)96JunJul 2026: 83% on time (24 flights)83JulAug 2026: 88% on time (25 flights)88Aug

By day of week

DayFlightsOn time
Monday2785%
Tuesday27100%
Wednesday27100%
Thursday2793%
Friday2886%
Saturday1—
Sunday2789%

Why it was late

Airline (crew, maintenance, ops) 77%Severe weather 14%Air traffic & airport (NAS) 10%

All flights DTW → BDL · Connecting off DL 2859? Check the risk

Questions

How often is DL 2859 from BDL to DTW late?

Delta Air Lines 2859 from Hartford, CT to Detroit, MI arrived 15 or more minutes late, was diverted or was cancelled on 10% of 164 scheduled flights between September 2025 and August 2026. 4.9% were cancelled.

How often is DL 2859 from DTW to BDL late?

Delta Air Lines 2859 from Detroit, MI to Hartford, CT arrived 15 or more minutes late, was diverted or was cancelled on 8% of 164 scheduled flights between September 2025 and August 2026. 4.3% 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.