Southwest Airlines DAL to ATL on-time performance
Southwest Airlines nonstop flights from Dallas to Atlanta · Aug 2025 – Jul 2026
On-time arrivals
75%
arrived < 15 min late
Cancelled
1.7%
26 flights
Avg arrival delay
16 min
58 min when late
Rank on route
#2 of 2
route average 78% on time
Key facts
- Southwest Airlines flights on DAL to ATL arrived on time 75% of the time in Aug 2025 – Jul 2026.
- 1.7% were cancelled, and 8% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 78% on time overall.
- The largest source of delay minutes was late-arriving aircraft (54%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft54%
- Airline (crew, maintenance, cleaning, fueling)29%
- Air traffic control & airport congestion14%
- Extreme weather3%
- Security0%
Other airlines on DAL to ATL
- Delta Air Lines81% on time · 18 min avg delay
Full DAL to ATL comparison →
Southwest Airlines on-time record across all routes →
1,522 Southwest Airlines flights tracked on this route; 26 cancelled, 3 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.