About 1 in 5 DL 1243 flights from Detroit arrived 15+ minutes late, diverted or cancelled over the past year (21%); 1.6% were cancelled. The typical flight landed 4 minutes early.
DL 1243: DTW → TPA
Scheduled to leave Detroit at 3:55 p.m. local time. Over the past year it arrived on time 79% of the time (307 flights), in line with other DL flights on the route at that hour (76%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 49 | 73% |
| Tuesday | 39 | 74% |
| Wednesday | 39 | 85% |
| Thursday | 47 | 85% |
| Friday | 47 | 81% |
| Saturday | 39 | 90% |
| Sunday | 47 | 68% |
Why it was late
All flights DTW → TPA · Connecting off DL 1243? Check the risk
DL 1243: TPA → DTW
Scheduled to leave Tampa at 5:59 p.m. local time. Over the past year it arrived on time 67% of the time (165 flights), worse than other DL flights on the route at that hour (72%). Last seen in the data Aug 31, 2026.
Usually Delta Air Lines's last flight of the day from Tampa to Detroit (78% of days). Delta Air Lines's last TPA–DTW flight was cancelled 0.8% of the time, against 1.3% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 8:30 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 25 | 72% |
| Tuesday | 20 | 65% |
| Wednesday | 20 | 70% |
| Thursday | 26 | 65% |
| Friday | 26 | 73% |
| Saturday | 22 | 77% |
| Sunday | 26 | 50% |
Why it was late
All flights TPA → DTW · Connecting off DL 1243? Check the risk
Questions
How often is DL 1243 from DTW to TPA late?
Delta Air Lines 1243 from Detroit, MI to Tampa, FL arrived 15 or more minutes late, was diverted or was cancelled on 21% of 307 scheduled flights between September 2025 and August 2026. 1.6% were cancelled.
How often is DL 1243 from TPA to DTW late?
Delta Air Lines 1243 from Tampa, FL to Detroit, MI arrived 15 or more minutes late, was diverted or was cancelled on 33% of 165 scheduled flights between September 2025 and August 2026. 2.4% 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.