WN1142 BUF → LAS

Southwest Airlines · Buffalo, NY to Las Vegas, NV · 24 flights observed, 2025-11-03 to 2026-01-01 · 1,986 mi

WN1142 covers more than one route in the data window — the stats below are for BUF → LAS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
67%
Median delay
0 min
90th percentile
+54 min
Cancellation rate
0%

How often is WN1142 on time?

Across 24 flights on BUF → LAS from 2025-11-03 to 2026-01-01, WN1142 arrived within 15 minutes of schedule 67% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +54 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1667%
16-30 min28%
31-60 min417%
61-120 min28%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-11956%+21 min
2025-121479%+1 min
2026-0110%+109 min

Performance by day of week

DayFlightsOn-time
Mon425%
Tue667%
Wed875%
Thu580%
Fri1100%
SatNo data—
SunNo data—

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…