Delta Air Lines DTW to MIA on-time performance
Delta Air Lines nonstop flights from Detroit to Miami · Aug 2025 – Jul 2026
On-time arrivals
78%
arrived < 15 min late
Cancelled
1.0%
9 flights
Avg arrival delay
13 min
56 min when late
Rank on route
#4 of 6
route average 80% on time
Key facts
- Delta Air Lines flights on DTW to MIA arrived on time 78% of the time in Aug 2025 – Jul 2026.
- 1% were cancelled, and 7% arrived an hour or more late.
- That ranks #4 of 6 airlines on this route, which averaged 80% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (54%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)54%
- Air traffic control & airport congestion35%
- Late-arriving aircraft10%
- Extreme weather1%
- Security0%
Other airlines on DTW to MIA
- American Airlines89% on time · 11 min avg delay
- Spirit Airlines79% on time · 15 min avg delay
- Envoy Air79% on time · 16 min avg delay
- Frontier Airlines67% on time · 33 min avg delay
- Republic Airways70% on time · 11 min avg delay
Full DTW to MIA comparison →
Delta Air Lines on-time record across all routes →
939 Delta Air Lines flights tracked on this route; 9 cancelled, 2 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.