Delta Air Lines BUF to ATL on-time performance
Delta Air Lines nonstop flights from Buffalo to Atlanta · Aug 2025 – Jul 2026
On-time arrivals
83%
arrived < 15 min late
Cancelled
2.0%
25 flights
Avg arrival delay
11 min
61 min when late
Rank on route
#2 of 3
route average 80% on time
Key facts
- Delta Air Lines flights on BUF to ATL arrived on time 83% of the time in Aug 2025 – Jul 2026.
- 2% were cancelled, and 5% arrived an hour or more late.
- That ranks #2 of 3 airlines on this route, which averaged 80% on time overall.
- The largest source of delay minutes was late-arriving aircraft (40%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft40%
- Airline (crew, maintenance, cleaning, fueling)35%
- Air traffic control & airport congestion16%
- Extreme weather9%
- Security0%
Other airlines on BUF to ATL
- Frontier Airlines64% on time · 35 min avg delay
- Southwest Airlines100% on time · 4 min avg delay
Full BUF to ATL comparison →
Delta Air Lines on-time record across all routes →
1,249 Delta Air Lines flights tracked on this route; 25 cancelled, 4 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.