LAS → DAL Southwest Airlines

Southwest Airlines · Las Vegas, NV to Dallas, TX · 2,860 flights, 2025-07-01 to 2026-06-30 · aggregated across 166 flight numbers

This route runs much more reliably at some times of day than others — 94% on-time departing 3–6am vs. 55% departing 6–9pm.
On-time arrival
73%
Median delay
0 min
90th percentile
+48 min
Cancellation rate
2%

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

Across every Southwest Airlines flight number on LAS → DAL (2,860 flights, 2025-07-01 to 2026-06-30), 73% arrived within 15 minutes of schedule. Median arrival delay 0 min; the worst 10% ran +48 min or later. 2% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2,02973%
16-30 min32812%
31-60 min2348%
61-120 min1465%
2+ hrs592%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0724768%+13 min
2025-0820276%+6 min
2025-0919683%+4 min
2025-1025269%+15 min
2025-1124674%+8 min
2025-1225783%+3 min
2026-0121381%+6 min
2026-0221070%+8 min
2026-0324369%+13 min
2026-0424977%+9 min
2026-0525263%+20 min
2026-0622961%+17 min

Performance by day of week

DayFlightsOn-time
Mon43869%
Tue37277%
Wed37181%
Thu43870%
Fri43570%
Sat29976%
Sun44368%

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