Delta Air Lines MIA to DTW on-time performance
Delta Air Lines nonstop flights from Miami to Detroit · Aug 2025 – Jul 2026
On-time arrivals
77%
arrived < 15 min late
Cancelled
1.0%
9 flights
Avg arrival delay
21 min
89 min when late
Rank on route
#2 of 6
route average 73% on time
Key facts
- Delta Air Lines flights on MIA to DTW arrived on time 77% of the time in Aug 2025 – Jul 2026.
- 1% were cancelled, and 7% arrived an hour or more late.
- That ranks #2 of 6 airlines on this route, which averaged 73% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (50%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)50%
- Late-arriving aircraft31%
- Air traffic control & airport congestion13%
- Extreme weather6%
- Security0%
Other airlines on MIA to DTW
- American Airlines69% on time · 21 min avg delay
- Spirit Airlines61% on time · 29 min avg delay
- Envoy Air82% on time · 10 min avg delay
- Frontier Airlines68% on time · 30 min avg delay
- Republic Airways60% on time · 65 min avg delay
Full MIA to DTW comparison →
Delta Air Lines on-time record across all routes →
940 Delta Air Lines flights tracked on this route; 9 cancelled, 1 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.