DAL → LAS Southwest Airlines

Southwest Airlines · Dallas, TX to Las Vegas, NV · 2,865 flights, 2025-07-01 to 2026-06-30 · aggregated across 184 flight numbers

This route runs much more reliably at some times of day than others — 93% on-time departing 6–9am vs. 47% departing 9pm–12am.
On-time arrival
76%
Median delay
-3 min
90th percentile
+46 min
Cancellation rate
1%

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

Across every Southwest Airlines flight number on DAL → LAS (2,865 flights, 2025-07-01 to 2026-06-30), 76% arrived within 15 minutes of schedule. Median arrival delay -3 min; the worst 10% ran +46 min or later. 1% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2,13976%
16-30 min27110%
31-60 min2188%
61-120 min1355%
2+ hrs602%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0725176%+10 min
2025-0820881%+2 min
2025-0919784%+5 min
2025-1025279%+8 min
2025-1125079%+5 min
2025-1225680%+4 min
2026-0121381%+1 min
2026-0221082%+3 min
2026-0324783%+0 min
2026-0424969%+11 min
2026-0525666%+16 min
2026-0623453%+30 min

Performance by day of week

DayFlightsOn-time
Mon43475%
Tue38381%
Wed37882%
Thu44372%
Fri43773%
Sat30473%
Sun44474%

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