Delta Air Lines DAL to ATL on-time performance
Delta Air Lines nonstop flights from Dallas to Atlanta · Aug 2025 – Jul 2026
On-time arrivals
81%
arrived < 15 min late
Cancelled
2.2%
41 flights
Avg arrival delay
18 min
92 min when late
Rank on route
#1 of 2
route average 78% on time
Key facts
- Delta Air Lines flights on DAL to ATL arrived on time 81% of the time in Aug 2025 – Jul 2026.
- 2.2% were cancelled, and 8% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 78% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (41%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)41%
- Late-arriving aircraft34%
- Air traffic control & airport congestion15%
- Extreme weather10%
- Security0%
Other airlines on DAL to ATL
- Southwest Airlines75% on time · 16 min avg delay
Full DAL to ATL comparison →
Delta Air Lines on-time record across all routes →
1,828 Delta Air Lines flights tracked on this route; 41 cancelled, 5 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.