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Route · BUF → LAS · 2020–2025 BTS data

Buffalo to Las Vegas

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), BUF to LAS (Buffalo to Las Vegas) ranks #4582 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

80.2%
On-time
+1.2 pts
vs US avg
56 min
Delay when late
898
Flights
#4582 of 4927
Corpus placement

Cancelled

1.7%

Best Month

N/A

Worst Month

N/A

Distance

1,986 mi

Carriers

4

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Oct 2025 31 7 0 0 WN
Sep 2025 30 2 0 0 WN
Aug 2025 32 3 0 0 WN
Jul 2025 35 1 0 0 WN
Jun 2025 34 3 0 0 WN
May 2025 36 2 0 0 WN
Apr 2025 34 6 0 0 WN
Mar 2025 35 4 1 0 WN
Jan 2025 31 11 0 0 WN
Dec 2024 31 2 0 0 WN
Oct 2024 31 4 0 0 WN
Sep 2024 30 7 0 0 WN
Aug 2024 31 6 0 1 WN
Jul 2024 31 12 0 0 WN
Jun 2024 30 11 0 0 WN
May 2024 31 13 0 0 WN
Apr 2024 30 13 0 0 WN
Mar 2024 30 7 0 0 WN
Dec 2023 31 1 0 0 WN
Nov 2023 30 4 0 0 WN
Oct 2023 31 2 0 1 WN
Dec 2022 31 11 8 0 F9
Nov 2022 31 6 4 0 F9,WN
Oct 2022 41 13 0 0 WN,F9

BUF–LAS seasonal on-time pattern

Best: August (85.7%) · weakest: September (73.2%)

70%75%80%85%90% JanMarAprMayJunJulAugSepOctNovDec 84.9%

Strongest calendar month

August

85.7% on-time · ~32 flights/mo

Busiest calendar month

May

~34 flights/mo avg

Weakest calendar month

September

73.2% on-time · ~32 flights/mo

Cancellation Rate

1.7%

13 of 768 flights

Diversion Rate

0.3%

2 of 768 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

BUF - Buffalo

Full on-time, delay-cause, and seasonal performance for Buffalo, NY.

BUF on-time profile

LAS - Las Vegas

Full on-time, delay-cause, and seasonal performance for Las Vegas, NV.

LAS on-time profile

Compare the two airports

See BUF and LAS side by side on delays, cancellations, and reliability.

Compare BUF vs LAS

Origin-hub reliability standing

Mid-pack among BUF departures

From BUF, this corridor sits with 12 other 75–85% on-time routes out of 19 tracked departures, not the hub's reliability leaders (6 at ≥85%) and not the softest ( 1 below 75%). Destination: Las Vegas · fleet on-time rank #3052 of 4927.

What the Data Says About BUF to LAS

898 tracked flights put the BUF to LAS pairing (Buffalo to Las Vegas) at a 80.2% on-time rate, squarely in line with the wider network. Delays that do occur run 55.7 minutes on average. Across the 1,986-mile route and its 4 carriers, the trailing 24 months show 1.7% cancelled and 0.3% diverted (768 flights sampled).

Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.

On the multi-year calendar, BUF–LAS peaks in August at 85.7% on-time while May carries the heaviest traffic (~34 flights per month) ; the softest month is September at 73.2%, a 12.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does BUF to LAS rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, BUF to LAS ranks #4582 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from BUF to LAS? ▼
Flights from Buffalo to Las Vegas have a 80.2% on-time rate based on 898 flights. The average delay is 55.7 minutes.
What is the cancellation rate for BUF to LAS? ▼
Over the last 24 months, 1.7% of flights on this route were cancelled (13 of 768 flights) and 0.3% were diverted.
How far is the flight from BUF to LAS? ▼
The flight distance from Buffalo (BUF) to Las Vegas (LAS) is approximately 1,986 miles. This route is served by 4 carriers.

Airports on this route

BUF Airport

Buffalo
LAS Airport

Las Vegas
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using BUF–LAS data

BUF–LAS is mid-pack at 80.2% on-time; month and carrier mix move more than the corridor headline.

  • Compare BUF and LAS airport profiles: delay causes and top routes differ even on the same corridor. BUF airport
  • If your dates flex, August (85.7% on-time) beats September (73.2%) on this corridor. Seasonal chart
  • 4 other routes post a similar 80.2% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.