LAS → ATL Southwest Airlines

Southwest Airlines · Las Vegas, NV to Atlanta, GA · 720 flights, 2025-07-01 to 2026-06-30 · aggregated across 34 flight numbers

This route runs much more reliably at some times of day than others — 88% on-time departing 9pm–12am vs. 25% departing 12–3pm.
On-time arrival
84%
Median delay
-5 min
90th percentile
+25 min
Cancellation rate
1%

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

Across every Southwest Airlines flight number on LAS → ATL (720 flights, 2025-07-01 to 2026-06-30), 84% arrived within 15 minutes of schedule. Median arrival delay -5 min; the worst 10% ran +25 min or later. 1% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time59884%
16-30 min639%
31-60 min365%
61-120 min132%
2+ hrs30%

Performance by month

MonthFlightsOn-timeAvg delay
2025-076177%+8 min
2025-086192%-5 min
2025-096195%-10 min
2025-106177%+2 min
2025-115582%+3 min
2025-125893%-5 min
2026-015986%-6 min
2026-025693%-7 min
2026-035976%+6 min
2026-046078%-1 min
2026-056277%+11 min
2026-066080%+4 min

Performance by day of week

DayFlightsOn-time
Mon10481%
Tue10691%
Wed10486%
Thu10278%
Fri10078%
Sat9390%
Sun10484%

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