LAS → HOU Southwest Airlines

Southwest Airlines · Las Vegas, NV to Houston, TX · 2,047 flights, 2025-07-01 to 2026-06-30 · aggregated across 116 flight numbers

This route runs much more reliably at some times of day than others — 96% on-time departing 3–6am vs. 54% departing 6–9pm.
On-time arrival
75%
Median delay
0 min
90th percentile
+42 min
Cancellation rate
0%

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

Across every Southwest Airlines flight number on LAS → HOU (2,047 flights, 2025-07-01 to 2026-06-30), 75% arrived within 15 minutes of schedule. Median arrival delay 0 min; the worst 10% ran +42 min or later. 0% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1,51975%
16-30 min22311%
31-60 min1769%
61-120 min864%
2+ hrs291%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0718670%+16 min
2025-0816079%+5 min
2025-0915484%-4 min
2025-1019371%+10 min
2025-1117774%+11 min
2025-1218576%+8 min
2026-0116686%+1 min
2026-0216178%+8 min
2026-0317367%+13 min
2026-0416379%+3 min
2026-0516269%+13 min
2026-0615365%+17 min

Performance by day of week

DayFlightsOn-time
Mon31870%
Tue26782%
Wed25780%
Thu31572%
Fri32172%
Sat23983%
Sun31668%

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