Southwest Airlines ATL to LGA on-time performance
Southwest Airlines nonstop flights from Atlanta to New York · Aug 2025 – Jul 2026
On-time arrivals
71%
arrived < 15 min late
Cancelled
2.5%
20 flights
Avg arrival delay
20 min
64 min when late
Rank on route
#4 of 6
route average 73% on time
Key facts
- Southwest Airlines flights on ATL to LGA arrived on time 71% of the time in Aug 2025 – Jul 2026.
- 2.5% were cancelled, and 10% arrived an hour or more late.
- That ranks #4 of 6 airlines on this route, which averaged 73% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (38%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion38%
- Late-arriving aircraft30%
- Airline (crew, maintenance, cleaning, fueling)26%
- Security3%
- Extreme weather3%
Other airlines on ATL to LGA
- Delta Air Lines77% on time · 16 min avg delay
- Republic Airways76% on time · 22 min avg delay
- Frontier Airlines49% on time · 52 min avg delay
- American Airlines67% on time · 8 min avg delay
- Spirit Airlines83% on time · 7 min avg delay
Full ATL to LGA comparison →
Southwest Airlines on-time record across all routes →
815 Southwest Airlines flights tracked on this route; 20 cancelled, 6 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.