Delta Air Lines DTW to BUF on-time performance
Delta Air Lines nonstop flights from Detroit to Buffalo · Aug 2025 – Jul 2026
On-time arrivals
78%
arrived < 15 min late
Cancelled
2.0%
9 flights
Avg arrival delay
26 min
113 min when late
Rank on route
#2 of 3
route average 78% on time
Key facts
- Delta Air Lines flights on DTW to BUF arrived on time 78% of the time in Aug 2025 – Jul 2026.
- 2% were cancelled, and 10% arrived an hour or more late.
- That ranks #2 of 3 airlines on this route, which averaged 78% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (66%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)66%
- Late-arriving aircraft17%
- Air traffic control & airport congestion11%
- Extreme weather6%
- Security0%
Other airlines on DTW to BUF
- SkyWest Airlines78% on time · 21 min avg delay
- Republic Airways100% on time · 1 min avg delay
Full DTW to BUF comparison →
Delta Air Lines on-time record across all routes →
443 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.