Route · LAS → BUF · 2020–2025 BTS data
Las Vegas to Buffalo
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), LAS to BUF (Las Vegas to Buffalo) ranks #4626 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 76%
- On-time
- -3 pts
- vs US avg
- 59 min
- Delay when late
- 838
- Flights
- #4626 of 4927
- Corpus placement
Cancelled
3.1%
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 | 9 | 0 | 1 | WN |
| Aug 2025 | 32 | 9 | 0 | 0 | WN |
| Jul 2025 | 35 | 13 | 0 | 0 | WN |
| Jun 2025 | 34 | 14 | 0 | 0 | WN |
| May 2025 | 36 | 3 | 0 | 0 | WN |
| Apr 2025 | 34 | 8 | 0 | 0 | WN |
| Mar 2025 | 35 | 11 | 0 | 0 | WN |
| Jan 2025 | 31 | 2 | 0 | 0 | WN |
| Dec 2024 | 31 | 5 | 0 | 0 | WN |
| Oct 2024 | 31 | 5 | 0 | 0 | WN |
| Sep 2024 | 30 | 4 | 0 | 0 | WN |
| Aug 2024 | 31 | 8 | 0 | 0 | WN |
| Jul 2024 | 31 | 6 | 0 | 1 | WN |
| Jun 2024 | 30 | 9 | 0 | 0 | WN |
| May 2024 | 31 | 8 | 0 | 0 | WN |
| Dec 2023 | 31 | 11 | 0 | 0 | WN |
| Nov 2023 | 30 | 7 | 0 | 0 | WN |
| Oct 2023 | 31 | 8 | 1 | 0 | WN |
| Dec 2022 | 31 | 6 | 8 | 0 | F9 |
| Nov 2022 | 31 | 18 | 4 | 0 | F9,WN |
| Oct 2022 | 41 | 16 | 0 | 0 | WN,F9 |
| Sep 2022 | 37 | 11 | 0 | 0 | F9,WN |
| Apr 2020 | 32 | 0 | 11 | 0 | WN |
LAS–BUF seasonal on-time pattern
Best: January (93.4%) · weakest: November (59.0%)
Strongest calendar month
January
93.4% on-time · ~31 flights/mo
Busiest calendar month
May
~34 flights/mo avg
Weakest calendar month
November
59.0% on-time · ~31 flights/mo
Cancellation Rate
3.1%
24 of 777 flights
Diversion Rate
0.3%
2 of 777 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
LAS - Las Vegas
Full on-time, delay-cause, and seasonal performance for Las Vegas, NV.
LAS on-time profileBUF - Buffalo
Full on-time, delay-cause, and seasonal performance for Buffalo, NY.
BUF on-time profileCompare the two airports
See LAS and BUF side by side on delays, cancellations, and reliability.
Compare LAS vs BUFOrigin-hub reliability standing
Mid-pack among LAS departures
From LAS, this corridor sits with 71 other 75–85% on-time routes out of 83 tracked departures, not the hub's reliability leaders (2 at ≥85%) and not the softest ( 10 below 75%). Destination: Buffalo · fleet on-time rank #4302 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to LAS–BUF.
Routes with a similar on-time rate
What the Data Says About LAS to BUF
The Las Vegas to Buffalo corridor (LAS to BUF) posts a 76% on-time rate on the lower edge of the average band, based on 838 tracked flights. Late flights run 59.1 minutes behind on average. 4 carriers cover the 1,986-mile route; over the last 24 months, 24 of 777 flights were cancelled (3.1%) and 0.3% diverted.
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, LAS–BUF peaks in January at 93.4% on-time while May carries the heaviest traffic (~34 flights per month) ; the softest month is November at 59.0%, a 34.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does LAS to BUF rank among US routes by traffic? ▼
How often are flights delayed from LAS to BUF? ▼
What is the cancellation rate for LAS to BUF? ▼
How far is the flight from LAS to BUF? ▼
Airports on this route
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 LAS–BUF data
LAS–BUF is mid-pack at 76% on-time; month and carrier mix move more than the corridor headline.
- Compare LAS and BUF airport profiles: delay causes and top routes differ even on the same corridor. LAS airport
- If your dates flex, January (93.4% on-time) beats November (59.0%) on this corridor. Seasonal chart
- 4 other routes post a similar 76% 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.
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.