ON TIMEBOARD

DL 1343 on time

Delta Air Lines 1343: Detroit to Milwaukee at 3:50 p.m.; Milwaukee to Detroit at 4:47 p.m. (past 12 months). Figures below the title are for DTW → MKE, its busiest leg

On time
80%
128 flights · likely 72–86%
Cancelled
1.6%
of scheduled flights
Typical arrival
−7 min
median vs schedule
When late
+67 min
average delay
Similar flights
79%
DL, same route & hour

About 1 in 5 DL 1343 flights from Detroit arrived 15+ minutes late, diverted or cancelled over the past year (20%); 1.6% were cancelled. The typical flight landed 7 minutes early.

DL 1343: DTW → MKE

Scheduled to leave Detroit at 3:50 p.m. local time. Over the past year it arrived on time 80% of the time (128 flights), in line with other DL flights on the route at that hour (79%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Dec 2024: too few flights (11 flights)DecJan 2025: too few flights (4 flights)JanMar 2025: too few flights (14 flights)MarApr 2025: 86% on time (22 flights)86AprMay 2025: 83% on time (30 flights)83MayJun 2025: too few flights (7 flights)JunDec 2025: too few flights (10 flights)DecJan 2026: too few flights (2 flights)JanMay 2026: 76% on time (25 flights)76MayJun 2026: 83% on time (30 flights)83JunJul 2026: 81% on time (31 flights)81JulAug 2026: 83% on time (30 flights)83Aug

By day of week

DayFlightsOn time
Monday19—
Tuesday18—
Wednesday18—
Thursday19—
Friday19—
Saturday17—
Sunday18—

Why it was late

Airline (crew, maintenance, ops) 62%Late inbound plane 15%Severe weather 12%Air traffic & airport (NAS) 11%

All flights DTW → MKE · Connecting off DL 1343? Check the risk

DL 1343: MKE → DTW

Scheduled to leave Milwaukee at 4:47 p.m. local time. Over the past year it arrived on time 78% of the time (128 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

40%70%100%Dec 2024: too few flights (11 flights)DecJan 2025: too few flights (4 flights)JanMar 2025: too few flights (14 flights)MarApr 2025: 86% on time (22 flights)86AprMay 2025: 93% on time (30 flights)93MayJun 2025: too few flights (7 flights)JunDec 2025: too few flights (10 flights)DecJan 2026: too few flights (2 flights)JanMay 2026: 80% on time (25 flights)80MayJun 2026: 83% on time (30 flights)83JunJul 2026: 77% on time (31 flights)77JulAug 2026: 80% on time (30 flights)80Aug

By day of week

DayFlightsOn time
Monday19—
Tuesday18—
Wednesday18—
Thursday19—
Friday19—
Saturday17—
Sunday18—

Why it was late

Late inbound plane 68%Air traffic & airport (NAS) 23%Airline (crew, maintenance, ops) 9%

All flights MKE → DTW · Connecting off DL 1343? Check the risk

Questions

How often is DL 1343 from DTW to MKE late?

Delta Air Lines 1343 from Detroit, MI to Milwaukee, WI arrived 15 or more minutes late, was diverted or was cancelled on 20% of 128 scheduled flights between September 2025 and August 2026. 1.6% were cancelled.

How often is DL 1343 from MKE to DTW late?

Delta Air Lines 1343 from Milwaukee, WI to Detroit, MI arrived 15 or more minutes late, was diverted or was cancelled on 22% of 128 scheduled flights between September 2025 and August 2026. 1.6% 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.