DAL → LGA Southwest Airlines

Southwest Airlines · Dallas, TX to New York, NY · 1,514 flights, 2025-07-01 to 2026-06-30 · aggregated across 73 flight numbers

This route runs much more reliably at some times of day than others — 88% on-time departing 6–9am vs. 31% departing 6–9pm.
On-time arrival
64%
Median delay
+6 min
90th percentile
+77 min
Cancellation rate
3%

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

Across every Southwest Airlines flight number on DAL → LGA (1,514 flights, 2025-07-01 to 2026-06-30), 64% arrived within 15 minutes of schedule. Median arrival delay +6 min; the worst 10% ran +77 min or later. 3% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time93164%
16-30 min16511%
31-60 min16712%
61-120 min1148%
2+ hrs745%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0711271%+21 min
2025-0811777%+6 min
2025-0911583%+4 min
2025-1011672%+20 min
2025-1111864%+28 min
2025-1213160%+35 min
2026-0111284%+4 min
2026-029768%+15 min
2026-0312542%+44 min
2026-0414058%+20 min
2026-0513853%+28 min
2026-0613047%+33 min

Performance by day of week

DayFlightsOn-time
Mon21265%
Tue22467%
Wed21772%
Thu22053%
Fri21964%
Sat14972%
Sun21058%

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