About 1 in 4 DL 1543 flights from Detroit arrived 15+ minutes late, diverted or cancelled over the past year (28%); 0.9% were cancelled. The typical flight landed 3 minutes early.
DL 1543: DTW → DFW
Scheduled to leave Detroit at 3:50 p.m. local time. Over the past year it arrived on time 72% of the time (318 flights), in line with other DL flights on the route at that hour (73%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 52 | 67% |
| Tuesday | 51 | 78% |
| Wednesday | 51 | 71% |
| Thursday | 51 | 84% |
| Friday | 51 | 67% |
| Saturday | 15 | — |
| Sunday | 47 | 70% |
Why it was late
All flights DTW → DFW · Connecting off DL 1543? Check the risk
Questions
How often is DL 1543 from DTW to DFW late?
Delta Air Lines 1543 from Detroit, MI to Dallas/Fort Worth, TX arrived 15 or more minutes late, was diverted or was cancelled on 28% of 318 scheduled flights between September 2025 and August 2026. 0.9% 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.