ATL → LGA Southwest Airlines

Southwest Airlines · Atlanta, GA to New York, NY · 935 flights, 2025-07-01 to 2026-03-04 · aggregated across 28 flight numbers

This route runs much more reliably at some times of day than others — 94% on-time departing 6–9am vs. 51% departing 6–9pm.
On-time arrival
71%
Median delay
+1 min
90th percentile
+66 min
Cancellation rate
3%

How on-time is Southwest Airlines from ATL to LGA?

Across every Southwest Airlines flight number on ATL → LGA (935 flights, 2025-07-01 to 2026-03-04), 71% arrived within 15 minutes of schedule. Median arrival delay +1 min; the worst 10% ran +66 min or later. 3% were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time64071%
16-30 min789%
31-60 min829%
61-120 min586%
2+ hrs415%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0711059%+33 min
2025-0811569%+17 min
2025-0911283%+5 min
2025-1011464%+23 min
2025-1111168%+29 min
2025-1211369%+19 min
2026-0111287%+1 min
2026-029770%+13 min
2026-031580%+5 min

Performance by day of week

DayFlightsOn-time
Mon13467%
Tue14070%
Wed14181%
Thu13271%
Fri13573%
Sat8876%
Sun12961%

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…