Home / Routes / KLAS → KBUF401 scheduled

The route from McCarran International Airport (KLAS) in Las Vegas to Buffalo Niagara International Airport (KBUF) in Buffalo. SkyMeter tracks roughly 401 scheduled flights on this route across 5 carriers. The most active operator is SWA (SWA). Average block time is 4h 11m. Departures average 36 minutes off schedule, with 65% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737 MAX 8.

Scheduled
401
last 486 days
ADS-B observed
30
Airlines
5
Avg dep delay
36m
Late >15 min
65.1%
Cancel rate
1.50%

Recent observed flights

From ADS-B trace data

2026-09-03 15:31  →  2026-09-03 19:35  ·  4h 3m
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2026-08-31 15:55  →  2026-08-31 20:05  ·  4h 10m
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2026-08-31 02:12  →  2026-08-31 06:44  ·  4h 31m
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2026-08-29 14:01  →  2026-08-29 18:41  ·  4h 40m
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2026-08-28 15:22  →  2026-08-28 20:25  ·  5h 3m
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2026-08-27 15:11  →  2026-08-27 19:41  ·  4h 30m
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2026-08-24 15:05  →  2026-08-24 19:47  ·  4h 41m
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2026-08-24 02:17  →  2026-08-24 06:31  ·  4h 14m
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2026-08-22 14:15  →  2026-08-22 18:52  ·  4h 37m
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2026-08-21 15:05  →  2026-08-21 19:42  ·  4h 37m
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Codeshare partnerships

Marketing carriers selling tickets on this route under their own flight numbers

sells JBU 1
sells JBU 1
sells JBU 1

Looking for the return flight?

View KBUF → KLAS