BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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AIRLINE × ROUTE REPORT
LAS→BUF

Southwest Airlines Las Vegas, NV (LAS) to Buffalo, NY (BUF) reliability

Among 333 scheduled Southwest Airlines flights from LAS to BUF, 70.0% arrived on time, 17.1% arrived at least 30 minutes late, and 0.6% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Marketing carrier: Southwest Airlines (WN) · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
70.0%arrived on time
17.1%30+ min late
0.6%cancelled
333scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late17.1%
60+ minutes late9.3%
Cancelled0.6%
Average arrival+10.9 mincompleted flights

What did Southwest Airlines LAS to BUF record?

Southwest Airlines completed 99.1% of its scheduled reportable LAS to BUF flights in the observation window. 70.0% of all scheduled flights arrived less than 15 minutes late, while 9.3% arrived at least an hour late.

What were Southwest Airlines LAS to BUF disruption rates?

For Southwest Airlines LAS-to-BUF flights, 17.1% arrived at least 30 minutes late, 0.6% were cancelled, and 0.3% were diverted.

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What was the Southwest Airlines LAS to BUF scheduled cohort?

The Southwest Airlines LAS-to-BUF cohort contained 333 scheduled flights; 330 completed, 2 were cancelled, and 1 were diverted.

Not a prediction.

This is a descriptive historical rate. Schedule changes, seasonal operations and current conditions may differ.